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Finding the Fourth Proportional to 246,498, 340,167.36 and 133,320.72

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Solution

The fourth proportional to 246,498, 340,167.36 and 133,320.72 is: 183,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,498 : 340,167.36 = 133,320.72 : x
  2. Step 2: Convert to fraction form
    246,498/340,167.36 = 133,320.72/x
  3. Step 3: Cross multiply
    246,498x = 340,167.36 × 133,320.72
  4. Step 4: Simplify right side
    246,498x = 45,351,357,355.70
  5. Step 5: Solve for x
    x = 45,351,357,355.70/246,498
  6. Step 6: Final answer
    x = 183,982.66

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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.