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Finding the Fourth Proportional to 323,084.16, 484,591.68 and 112,726.08

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Solution

The fourth proportional to 323,084.16, 484,591.68 and 112,726.08 is: 169,077.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,084.16 : 484,591.68 = 112,726.08 : x
  2. Step 2: Convert to fraction form
    323,084.16/484,591.68 = 112,726.08/x
  3. Step 3: Cross multiply
    323,084.16x = 484,591.68 × 112,726.08
  4. Step 4: Simplify right side
    323,084.16x = 54,626,120,487.01
  5. Step 5: Solve for x
    x = 54,626,120,487.01/323,084.16
  6. Step 6: Final answer
    x = 169,077.06

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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.