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Finding the Fourth Proportional to 378,606.68, 567,787.19 and 125,819.24

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Solution

The fourth proportional to 378,606.68, 567,787.19 and 125,819.24 is: 188,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,606.68 : 567,787.19 = 125,819.24 : x
  2. Step 2: Convert to fraction form
    378,606.68/567,787.19 = 125,819.24/x
  3. Step 3: Cross multiply
    378,606.68x = 567,787.19 × 125,819.24
  4. Step 4: Simplify right side
    378,606.68x = 71,438,549,259.50
  5. Step 5: Solve for x
    x = 71,438,549,259.50/378,606.68
  6. Step 6: Final answer
    x = 188,688.03

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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.