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Finding the Fourth Proportional to 148,552.64, 204,969.48 and 88,092.56

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Solution

The fourth proportional to 148,552.64, 204,969.48 and 88,092.56 is: 121,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,552.64 : 204,969.48 = 88,092.56 : x
  2. Step 2: Convert to fraction form
    148,552.64/204,969.48 = 88,092.56/x
  3. Step 3: Cross multiply
    148,552.64x = 204,969.48 × 88,092.56
  4. Step 4: Simplify right side
    148,552.64x = 18,056,286,215.07
  5. Step 5: Solve for x
    x = 18,056,286,215.07/148,552.64
  6. Step 6: Final answer
    x = 121,548.07

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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.