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Finding the Fourth Proportional to 97,661.92, 134,773.20 and 52,949.92

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Solution

The fourth proportional to 97,661.92, 134,773.20 and 52,949.92 is: 73,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,661.92 : 134,773.20 = 52,949.92 : x
  2. Step 2: Convert to fraction form
    97,661.92/134,773.20 = 52,949.92/x
  3. Step 3: Cross multiply
    97,661.92x = 134,773.20 × 52,949.92
  4. Step 4: Simplify right side
    97,661.92x = 7,136,230,158.14
  5. Step 5: Solve for x
    x = 7,136,230,158.14/97,661.92
  6. Step 6: Final answer
    x = 73,070.75

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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.