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Finding the Fourth Proportional to 84,959.38, 127,264.08 and 49,814.29

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Solution

The fourth proportional to 84,959.38, 127,264.08 and 49,814.29 is: 74,618.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,959.38 : 127,264.08 = 49,814.29 : x
  2. Step 2: Convert to fraction form
    84,959.38/127,264.08 = 49,814.29/x
  3. Step 3: Cross multiply
    84,959.38x = 127,264.08 × 49,814.29
  4. Step 4: Simplify right side
    84,959.38x = 6,339,569,787.70
  5. Step 5: Solve for x
    x = 6,339,569,787.70/84,959.38
  6. Step 6: Final answer
    x = 74,618.83

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1.5x scale

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.