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Finding the Fourth Proportional to 154,797.71, 232,195.55 and 42,469.14

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Solution

The fourth proportional to 154,797.71, 232,195.55 and 42,469.14 is: 63,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,797.71 : 232,195.55 = 42,469.14 : x
  2. Step 2: Convert to fraction form
    154,797.71/232,195.55 = 42,469.14/x
  3. Step 3: Cross multiply
    154,797.71x = 232,195.55 × 42,469.14
  4. Step 4: Simplify right side
    154,797.71x = 9,861,145,320.33
  5. Step 5: Solve for x
    x = 9,861,145,320.33/154,797.71
  6. Step 6: Final answer
    x = 63,703.43

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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.