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Finding the Fourth Proportional to 247,310.20, 370,892.40 and 97,500.70

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Solution

The fourth proportional to 247,310.20, 370,892.40 and 97,500.70 is: 146,222.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,310.20 : 370,892.40 = 97,500.70 : x
  2. Step 2: Convert to fraction form
    247,310.20/370,892.40 = 97,500.70/x
  3. Step 3: Cross multiply
    247,310.20x = 370,892.40 × 97,500.70
  4. Step 4: Simplify right side
    247,310.20x = 36,162,268,624.68
  5. Step 5: Solve for x
    x = 36,162,268,624.68/247,310.20
  6. Step 6: Final answer
    x = 146,222.31

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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.