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Finding the Fourth Proportional to 98,545.92, 147,877.20 and 36,260.16

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Solution

The fourth proportional to 98,545.92, 147,877.20 and 36,260.16 is: 54,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,545.92 : 147,877.20 = 36,260.16 : x
  2. Step 2: Convert to fraction form
    98,545.92/147,877.20 = 36,260.16/x
  3. Step 3: Cross multiply
    98,545.92x = 147,877.20 × 36,260.16
  4. Step 4: Simplify right side
    98,545.92x = 5,362,050,932.35
  5. Step 5: Solve for x
    x = 5,362,050,932.35/98,545.92
  6. Step 6: Final answer
    x = 54,411.70

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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.