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Finding the Fourth Proportional to 250,357.38, 375,595.13 and 81,877.04

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Solution

The fourth proportional to 250,357.38, 375,595.13 and 81,877.04 is: 122,834.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,357.38 : 375,595.13 = 81,877.04 : x
  2. Step 2: Convert to fraction form
    250,357.38/375,595.13 = 81,877.04/x
  3. Step 3: Cross multiply
    250,357.38x = 375,595.13 × 81,877.04
  4. Step 4: Simplify right side
    250,357.38x = 30,752,617,482.82
  5. Step 5: Solve for x
    x = 30,752,617,482.82/250,357.38
  6. Step 6: Final answer
    x = 122,834.88

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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.