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Finding the Fourth Proportional to 310,346.92, 465,524.70 and 88,730.92

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Solution

The fourth proportional to 310,346.92, 465,524.70 and 88,730.92 is: 133,097.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,346.92 : 465,524.70 = 88,730.92 : x
  2. Step 2: Convert to fraction form
    310,346.92/465,524.70 = 88,730.92/x
  3. Step 3: Cross multiply
    310,346.92x = 465,524.70 × 88,730.92
  4. Step 4: Simplify right side
    310,346.92x = 41,306,434,913.72
  5. Step 5: Solve for x
    x = 41,306,434,913.72/310,346.92
  6. Step 6: Final answer
    x = 133,097.62

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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.