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Finding the Fourth Proportional to 175,474.98, 242,043.90 and 115,049.52

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Solution

The fourth proportional to 175,474.98, 242,043.90 and 115,049.52 is: 158,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,474.98 : 242,043.90 = 115,049.52 : x
  2. Step 2: Convert to fraction form
    175,474.98/242,043.90 = 115,049.52/x
  3. Step 3: Cross multiply
    175,474.98x = 242,043.90 × 115,049.52
  4. Step 4: Simplify right side
    175,474.98x = 27,847,034,513.93
  5. Step 5: Solve for x
    x = 27,847,034,513.93/175,474.98
  6. Step 6: Final answer
    x = 158,695.19

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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.