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Finding the Fourth Proportional to 177,587.91, 266,353.11 and 65,240.51

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Solution

The fourth proportional to 177,587.91, 266,353.11 and 65,240.51 is: 97,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,587.91 : 266,353.11 = 65,240.51 : x
  2. Step 2: Convert to fraction form
    177,587.91/266,353.11 = 65,240.51/x
  3. Step 3: Cross multiply
    177,587.91x = 266,353.11 × 65,240.51
  4. Step 4: Simplify right side
    177,587.91x = 17,377,011,404.72
  5. Step 5: Solve for x
    x = 17,377,011,404.72/177,587.91
  6. Step 6: Final answer
    x = 97,850.19

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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.