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Finding the Fourth Proportional to 376,523.20, 564,405.72 and 166,124.08

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Solution

The fourth proportional to 376,523.20, 564,405.72 and 166,124.08 is: 249,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,523.20 : 564,405.72 = 166,124.08 : x
  2. Step 2: Convert to fraction form
    376,523.20/564,405.72 = 166,124.08/x
  3. Step 3: Cross multiply
    376,523.20x = 564,405.72 × 166,124.08
  4. Step 4: Simplify right side
    376,523.20x = 93,761,380,981.74
  5. Step 5: Solve for x
    x = 93,761,380,981.74/376,523.20
  6. Step 6: Final answer
    x = 249,018.87

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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.