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Finding the Fourth Proportional to 148,471.84, 204,899.52 and 88,078.24

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Solution

The fourth proportional to 148,471.84, 204,899.52 and 88,078.24 is: 121,552.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,471.84 : 204,899.52 = 88,078.24 : x
  2. Step 2: Convert to fraction form
    148,471.84/204,899.52 = 88,078.24/x
  3. Step 3: Cross multiply
    148,471.84x = 204,899.52 × 88,078.24
  4. Step 4: Simplify right side
    148,471.84x = 18,047,189,098.44
  5. Step 5: Solve for x
    x = 18,047,189,098.44/148,471.84
  6. Step 6: Final answer
    x = 121,552.94

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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.