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Finding the Fourth Proportional to 148,489.98, 204,945.96 and 88,094.16

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Solution

The fourth proportional to 148,489.98, 204,945.96 and 88,094.16 is: 121,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,489.98 : 204,945.96 = 88,094.16 : x
  2. Step 2: Convert to fraction form
    148,489.98/204,945.96 = 88,094.16/x
  3. Step 3: Cross multiply
    148,489.98x = 204,945.96 × 88,094.16
  4. Step 4: Simplify right side
    148,489.98x = 18,054,542,191.59
  5. Step 5: Solve for x
    x = 18,054,542,191.59/148,489.98
  6. Step 6: Final answer
    x = 121,587.61

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1.5x scale

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.