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Finding the Fourth Proportional to 323,251.76, 484,951.12 and 98,632.32

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Solution

The fourth proportional to 323,251.76, 484,951.12 and 98,632.32 is: 147,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,251.76 : 484,951.12 = 98,632.32 : x
  2. Step 2: Convert to fraction form
    323,251.76/484,951.12 = 98,632.32/x
  3. Step 3: Cross multiply
    323,251.76x = 484,951.12 × 98,632.32
  4. Step 4: Simplify right side
    323,251.76x = 47,831,854,052.20
  5. Step 5: Solve for x
    x = 47,831,854,052.20/323,251.76
  6. Step 6: Final answer
    x = 147,970.90

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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.