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Finding the Fourth Proportional to 124,984.92, 187,495.86 and 36,226.90

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Solution

The fourth proportional to 124,984.92, 187,495.86 and 36,226.90 is: 54,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,984.92 : 187,495.86 = 36,226.90 : x
  2. Step 2: Convert to fraction form
    124,984.92/187,495.86 = 36,226.90/x
  3. Step 3: Cross multiply
    124,984.92x = 187,495.86 × 36,226.90
  4. Step 4: Simplify right side
    124,984.92x = 6,792,393,086.19
  5. Step 5: Solve for x
    x = 6,792,393,086.19/124,984.92
  6. Step 6: Final answer
    x = 54,345.70

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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.