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Finding the Fourth Proportional to 109,154.80, 163,732.20 and 96,032.80

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Solution

The fourth proportional to 109,154.80, 163,732.20 and 96,032.80 is: 144,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,154.80 : 163,732.20 = 96,032.80 : x
  2. Step 2: Convert to fraction form
    109,154.80/163,732.20 = 96,032.80/x
  3. Step 3: Cross multiply
    109,154.80x = 163,732.20 × 96,032.80
  4. Step 4: Simplify right side
    109,154.80x = 15,723,661,616.16
  5. Step 5: Solve for x
    x = 15,723,661,616.16/109,154.80
  6. Step 6: Final answer
    x = 144,049.20

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