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Finding the Fourth Proportional to 148,487.62, 204,822.19 and 88,017.79

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Solution

The fourth proportional to 148,487.62, 204,822.19 and 88,017.79 is: 121,410.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,487.62 : 204,822.19 = 88,017.79 : x
  2. Step 2: Convert to fraction form
    148,487.62/204,822.19 = 88,017.79/x
  3. Step 3: Cross multiply
    148,487.62x = 204,822.19 × 88,017.79
  4. Step 4: Simplify right side
    148,487.62x = 18,027,996,506.76
  5. Step 5: Solve for x
    x = 18,027,996,506.76/148,487.62
  6. Step 6: Final answer
    x = 121,410.77

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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.