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Finding the Fourth Proportional to 175,969.01, 242,780.15 and 99,480.71

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Solution

The fourth proportional to 175,969.01, 242,780.15 and 99,480.71 is: 137,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,969.01 : 242,780.15 = 99,480.71 : x
  2. Step 2: Convert to fraction form
    175,969.01/242,780.15 = 99,480.71/x
  3. Step 3: Cross multiply
    175,969.01x = 242,780.15 × 99,480.71
  4. Step 4: Simplify right side
    175,969.01x = 24,151,941,198.50
  5. Step 5: Solve for x
    x = 24,151,941,198.50/175,969.01
  6. Step 6: Final answer
    x = 137,251.11

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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.