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Finding the Fourth Proportional to 88,452.60, 121,856.92 and 61,548.92

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Solution

The fourth proportional to 88,452.60, 121,856.92 and 61,548.92 is: 84,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,452.60 : 121,856.92 = 61,548.92 : x
  2. Step 2: Convert to fraction form
    88,452.60/121,856.92 = 61,548.92/x
  3. Step 3: Cross multiply
    88,452.60x = 121,856.92 × 61,548.92
  4. Step 4: Simplify right side
    88,452.60x = 7,500,161,820.53
  5. Step 5: Solve for x
    x = 7,500,161,820.53/88,452.60
  6. Step 6: Final answer
    x = 84,793.01

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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.