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Finding the Fourth Proportional to 148,462.13, 204,869.04 and 88,038.56

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Solution

The fourth proportional to 148,462.13, 204,869.04 and 88,038.56 is: 121,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,462.13 : 204,869.04 = 88,038.56 : x
  2. Step 2: Convert to fraction form
    148,462.13/204,869.04 = 88,038.56/x
  3. Step 3: Cross multiply
    148,462.13x = 204,869.04 × 88,038.56
  4. Step 4: Simplify right side
    148,462.13x = 18,036,375,270.18
  5. Step 5: Solve for x
    x = 18,036,375,270.18/148,462.13
  6. Step 6: Final answer
    x = 121,488.05

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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.