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Finding the Fourth Proportional to 65,387.43, 98,179.53 and 37,339.14

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Solution

The fourth proportional to 65,387.43, 98,179.53 and 37,339.14 is: 56,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,387.43 : 98,179.53 = 37,339.14 : x
  2. Step 2: Convert to fraction form
    65,387.43/98,179.53 = 37,339.14/x
  3. Step 3: Cross multiply
    65,387.43x = 98,179.53 × 37,339.14
  4. Step 4: Simplify right side
    65,387.43x = 3,665,939,215.80
  5. Step 5: Solve for x
    x = 3,665,939,215.80/65,387.43
  6. Step 6: Final answer
    x = 56,064.89

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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.