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Finding the Fourth Proportional to 250,586.38, 375,785.88 and 100,776.04

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Solution

The fourth proportional to 250,586.38, 375,785.88 and 100,776.04 is: 151,126.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,586.38 : 375,785.88 = 100,776.04 : x
  2. Step 2: Convert to fraction form
    250,586.38/375,785.88 = 100,776.04/x
  3. Step 3: Cross multiply
    250,586.38x = 375,785.88 × 100,776.04
  4. Step 4: Simplify right side
    250,586.38x = 37,870,212,874.32
  5. Step 5: Solve for x
    x = 37,870,212,874.32/250,586.38
  6. Step 6: Final answer
    x = 151,126.38

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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.