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Finding the Fourth Proportional to 95,417.68, 143,126.40 and 36,239.20

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Solution

The fourth proportional to 95,417.68, 143,126.40 and 36,239.20 is: 54,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,417.68 : 143,126.40 = 36,239.20 : x
  2. Step 2: Convert to fraction form
    95,417.68/143,126.40 = 36,239.20/x
  3. Step 3: Cross multiply
    95,417.68x = 143,126.40 × 36,239.20
  4. Step 4: Simplify right side
    95,417.68x = 5,186,786,234.88
  5. Step 5: Solve for x
    x = 5,186,786,234.88/95,417.68
  6. Step 6: Final answer
    x = 54,358.75

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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.