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Finding the Fourth Proportional to 76,081.29, 104,959.17 and 45,849.44

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Solution

The fourth proportional to 76,081.29, 104,959.17 and 45,849.44 is: 63,252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,081.29 : 104,959.17 = 45,849.44 : x
  2. Step 2: Convert to fraction form
    76,081.29/104,959.17 = 45,849.44/x
  3. Step 3: Cross multiply
    76,081.29x = 104,959.17 × 45,849.44
  4. Step 4: Simplify right side
    76,081.29x = 4,812,318,642.57
  5. Step 5: Solve for x
    x = 4,812,318,642.57/76,081.29
  6. Step 6: Final answer
    x = 63,252.33

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1.5x scale

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.