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Finding the Fourth Proportional to 88,868.68, 122,559.46 and 73,737.40

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Solution

The fourth proportional to 88,868.68, 122,559.46 and 73,737.40 is: 101,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,868.68 : 122,559.46 = 73,737.40 : x
  2. Step 2: Convert to fraction form
    88,868.68/122,559.46 = 73,737.40/x
  3. Step 3: Cross multiply
    88,868.68x = 122,559.46 × 73,737.40
  4. Step 4: Simplify right side
    88,868.68x = 9,037,215,925.80
  5. Step 5: Solve for x
    x = 9,037,215,925.80/88,868.68
  6. Step 6: Final answer
    x = 101,691.80

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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.