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Finding the Fourth Proportional to 94,064.90, 129,810.60 and 51,622.52

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Solution

The fourth proportional to 94,064.90, 129,810.60 and 51,622.52 is: 71,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,064.90 : 129,810.60 = 51,622.52 : x
  2. Step 2: Convert to fraction form
    94,064.90/129,810.60 = 51,622.52/x
  3. Step 3: Cross multiply
    94,064.90x = 129,810.60 × 51,622.52
  4. Step 4: Simplify right side
    94,064.90x = 6,701,149,645.66
  5. Step 5: Solve for x
    x = 6,701,149,645.66/94,064.90
  6. Step 6: Final answer
    x = 71,239.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.