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Finding the Fourth Proportional to 94,017.71, 129,747.17 and 51,578.93

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Solution

The fourth proportional to 94,017.71, 129,747.17 and 51,578.93 is: 71,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,017.71 : 129,747.17 = 51,578.93 : x
  2. Step 2: Convert to fraction form
    94,017.71/129,747.17 = 51,578.93/x
  3. Step 3: Cross multiply
    94,017.71x = 129,747.17 × 51,578.93
  4. Step 4: Simplify right side
    94,017.71x = 6,692,220,199.13
  5. Step 5: Solve for x
    x = 6,692,220,199.13/94,017.71
  6. Step 6: Final answer
    x = 71,180.42

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1.5x scale

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.