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Finding the Fourth Proportional to 132,553.74, 198,830.61 and 48,320.22

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Solution

The fourth proportional to 132,553.74, 198,830.61 and 48,320.22 is: 72,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,553.74 : 198,830.61 = 48,320.22 : x
  2. Step 2: Convert to fraction form
    132,553.74/198,830.61 = 48,320.22/x
  3. Step 3: Cross multiply
    132,553.74x = 198,830.61 × 48,320.22
  4. Step 4: Simplify right side
    132,553.74x = 9,607,538,817.93
  5. Step 5: Solve for x
    x = 9,607,538,817.93/132,553.74
  6. Step 6: Final answer
    x = 72,480.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.