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Finding the Fourth Proportional to 94,757,985.70, 142,136,978.55 and 34,173,711.70

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Solution

The fourth proportional to 94,757,985.70, 142,136,978.55 and 34,173,711.70 is: 51,260,567.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,757,985.70 : 142,136,978.55 = 34,173,711.70 : x
  2. Step 2: Convert to fraction form
    94,757,985.70/142,136,978.55 = 34,173,711.70/x
  3. Step 3: Cross multiply
    94,757,985.70x = 142,136,978.55 × 34,173,711.70
  4. Step 4: Simplify right side
    94,757,985.70x = 4,857,348,126,876,785
  5. Step 5: Solve for x
    x = 4,857,348,126,876,785/94,757,985.70
  6. Step 6: Final answer
    x = 51,260,567.55

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.