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Finding the Fourth Proportional to 73,951.92, 101,988.72 and 58,827.60

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Solution

The fourth proportional to 73,951.92, 101,988.72 and 58,827.60 is: 81,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,951.92 : 101,988.72 = 58,827.60 : x
  2. Step 2: Convert to fraction form
    73,951.92/101,988.72 = 58,827.60/x
  3. Step 3: Cross multiply
    73,951.92x = 101,988.72 × 58,827.60
  4. Step 4: Simplify right side
    73,951.92x = 5,999,751,624.67
  5. Step 5: Solve for x
    x = 5,999,751,624.67/73,951.92
  6. Step 6: Final answer
    x = 81,130.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.