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Finding the Fourth Proportional to 252,007.30, 377,500.65 and 156,945.70

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Solution

The fourth proportional to 252,007.30, 377,500.65 and 156,945.70 is: 235,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,007.30 : 377,500.65 = 156,945.70 : x
  2. Step 2: Convert to fraction form
    252,007.30/377,500.65 = 156,945.70/x
  3. Step 3: Cross multiply
    252,007.30x = 377,500.65 × 156,945.70
  4. Step 4: Simplify right side
    252,007.30x = 59,247,103,764.71
  5. Step 5: Solve for x
    x = 59,247,103,764.71/252,007.30
  6. Step 6: Final answer
    x = 235,100.74

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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.