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Finding the Fourth Proportional to 245,366.04, 368,126.82 and 87,591

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Solution

The fourth proportional to 245,366.04, 368,126.82 and 87,591 is: 131,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,366.04 : 368,126.82 = 87,591 : x
  2. Step 2: Convert to fraction form
    245,366.04/368,126.82 = 87,591/x
  3. Step 3: Cross multiply
    245,366.04x = 368,126.82 × 87,591
  4. Step 4: Simplify right side
    245,366.04x = 32,244,596,290.62
  5. Step 5: Solve for x
    x = 32,244,596,290.62/245,366.04
  6. Step 6: Final answer
    x = 131,414.26

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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.