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Finding the Fourth Proportional to 88,452.60, 121,856.94 and 61,548.90

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Solution

The fourth proportional to 88,452.60, 121,856.94 and 61,548.90 is: 84,792.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,452.60 : 121,856.94 = 61,548.90 : x
  2. Step 2: Convert to fraction form
    88,452.60/121,856.94 = 61,548.90/x
  3. Step 3: Cross multiply
    88,452.60x = 121,856.94 × 61,548.90
  4. Step 4: Simplify right side
    88,452.60x = 7,500,160,614.37
  5. Step 5: Solve for x
    x = 7,500,160,614.37/88,452.60
  6. Step 6: Final answer
    x = 84,792.99

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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.