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Finding the Fourth Proportional to 250,524.32, 375,751.92 and 138,411.68

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Solution

The fourth proportional to 250,524.32, 375,751.92 and 138,411.68 is: 207,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,524.32 : 375,751.92 = 138,411.68 : x
  2. Step 2: Convert to fraction form
    250,524.32/375,751.92 = 138,411.68/x
  3. Step 3: Cross multiply
    250,524.32x = 375,751.92 × 138,411.68
  4. Step 4: Simplify right side
    250,524.32x = 52,008,454,510.43
  5. Step 5: Solve for x
    x = 52,008,454,510.43/250,524.32
  6. Step 6: Final answer
    x = 207,598.43

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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.