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Finding the Fourth Proportional to 94,059.68, 129,806.10 and 51,619.74

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Solution

The fourth proportional to 94,059.68, 129,806.10 and 51,619.74 is: 71,237.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,059.68 : 129,806.10 = 51,619.74 : x
  2. Step 2: Convert to fraction form
    94,059.68/129,806.10 = 51,619.74/x
  3. Step 3: Cross multiply
    94,059.68x = 129,806.10 × 51,619.74
  4. Step 4: Simplify right side
    94,059.68x = 6,700,557,132.41
  5. Step 5: Solve for x
    x = 6,700,557,132.41/94,059.68
  6. Step 6: Final answer
    x = 71,237.29

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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.