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Finding the Fourth Proportional to 152,017.70, 227,767.35 and 125,579.30

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Solution

The fourth proportional to 152,017.70, 227,767.35 and 125,579.30 is: 188,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,017.70 : 227,767.35 = 125,579.30 : x
  2. Step 2: Convert to fraction form
    152,017.70/227,767.35 = 125,579.30/x
  3. Step 3: Cross multiply
    152,017.70x = 227,767.35 × 125,579.30
  4. Step 4: Simplify right side
    152,017.70x = 28,602,864,375.86
  5. Step 5: Solve for x
    x = 28,602,864,375.86/152,017.70
  6. Step 6: Final answer
    x = 188,154.83

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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.