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Finding the Fourth Proportional to 84,981.87, 127,379.24 and 35,034.57

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Solution

The fourth proportional to 84,981.87, 127,379.24 and 35,034.57 is: 52,513.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,981.87 : 127,379.24 = 35,034.57 : x
  2. Step 2: Convert to fraction form
    84,981.87/127,379.24 = 35,034.57/x
  3. Step 3: Cross multiply
    84,981.87x = 127,379.24 × 35,034.57
  4. Step 4: Simplify right side
    84,981.87x = 4,462,676,725.15
  5. Step 5: Solve for x
    x = 4,462,676,725.15/84,981.87
  6. Step 6: Final answer
    x = 52,513.28

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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.