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Finding the Fourth Proportional to 71,151.47, 106,727.20 and 26,788.17

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Solution

The fourth proportional to 71,151.47, 106,727.20 and 26,788.17 is: 40,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,151.47 : 106,727.20 = 26,788.17 : x
  2. Step 2: Convert to fraction form
    71,151.47/106,727.20 = 26,788.17/x
  3. Step 3: Cross multiply
    71,151.47x = 106,727.20 × 26,788.17
  4. Step 4: Simplify right side
    71,151.47x = 2,859,026,243.28
  5. Step 5: Solve for x
    x = 2,859,026,243.28/71,151.47
  6. Step 6: Final answer
    x = 40,182.25

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1.5x scale

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.