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Finding the Fourth Proportional to 94,776.70, 142,203.71 and 61,060.33

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Solution

The fourth proportional to 94,776.70, 142,203.71 and 61,060.33 is: 91,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,776.70 : 142,203.71 = 61,060.33 : x
  2. Step 2: Convert to fraction form
    94,776.70/142,203.71 = 61,060.33/x
  3. Step 3: Cross multiply
    94,776.70x = 142,203.71 × 61,060.33
  4. Step 4: Simplify right side
    94,776.70x = 8,683,005,459.82
  5. Step 5: Solve for x
    x = 8,683,005,459.82/94,776.70
  6. Step 6: Final answer
    x = 91,615.40

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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.