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Finding the Fourth Proportional to 108,064.47, 162,117.72 and 41,499.71

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Solution

The fourth proportional to 108,064.47, 162,117.72 and 41,499.71 is: 62,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,064.47 : 162,117.72 = 41,499.71 : x
  2. Step 2: Convert to fraction form
    108,064.47/162,117.72 = 41,499.71/x
  3. Step 3: Cross multiply
    108,064.47x = 162,117.72 × 41,499.71
  4. Step 4: Simplify right side
    108,064.47x = 6,727,838,163.21
  5. Step 5: Solve for x
    x = 6,727,838,163.21/108,064.47
  6. Step 6: Final answer
    x = 62,257.63

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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.