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Finding the Fourth Proportional to 175,469.70, 242,147.39 and 94,897.28

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Solution

The fourth proportional to 175,469.70, 242,147.39 and 94,897.28 is: 130,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,469.70 : 242,147.39 = 94,897.28 : x
  2. Step 2: Convert to fraction form
    175,469.70/242,147.39 = 94,897.28/x
  3. Step 3: Cross multiply
    175,469.70x = 242,147.39 × 94,897.28
  4. Step 4: Simplify right side
    175,469.70x = 22,979,129,512.71
  5. Step 5: Solve for x
    x = 22,979,129,512.71/175,469.70
  6. Step 6: Final answer
    x = 130,957.82

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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.