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Finding the Fourth Proportional to 250,627.27, 375,790.77 and 79,775.17

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Solution

The fourth proportional to 250,627.27, 375,790.77 and 79,775.17 is: 119,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,627.27 : 375,790.77 = 79,775.17 : x
  2. Step 2: Convert to fraction form
    250,627.27/375,790.77 = 79,775.17/x
  3. Step 3: Cross multiply
    250,627.27x = 375,790.77 × 79,775.17
  4. Step 4: Simplify right side
    250,627.27x = 29,978,772,561.18
  5. Step 5: Solve for x
    x = 29,978,772,561.18/250,627.27
  6. Step 6: Final answer
    x = 119,614.97

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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.