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Finding the Fourth Proportional to 96,540.60, 144,810.90 and 83,177.40

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Solution

The fourth proportional to 96,540.60, 144,810.90 and 83,177.40 is: 124,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,540.60 : 144,810.90 = 83,177.40 : x
  2. Step 2: Convert to fraction form
    96,540.60/144,810.90 = 83,177.40/x
  3. Step 3: Cross multiply
    96,540.60x = 144,810.90 × 83,177.40
  4. Step 4: Simplify right side
    96,540.60x = 12,044,994,153.66
  5. Step 5: Solve for x
    x = 12,044,994,153.66/96,540.60
  6. Step 6: Final answer
    x = 124,766.10

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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.