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Finding the Fourth Proportional to 83,151.60, 124,727.40 and 62,415.60

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Solution

The fourth proportional to 83,151.60, 124,727.40 and 62,415.60 is: 93,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,151.60 : 124,727.40 = 62,415.60 : x
  2. Step 2: Convert to fraction form
    83,151.60/124,727.40 = 62,415.60/x
  3. Step 3: Cross multiply
    83,151.60x = 124,727.40 × 62,415.60
  4. Step 4: Simplify right side
    83,151.60x = 7,784,935,507.44
  5. Step 5: Solve for x
    x = 7,784,935,507.44/83,151.60
  6. Step 6: Final answer
    x = 93,623.40

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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.