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Finding the Fourth Proportional to 66,551.33, 99,523.76 and 49,696.17

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Solution

The fourth proportional to 66,551.33, 99,523.76 and 49,696.17 is: 74,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,551.33 : 99,523.76 = 49,696.17 : x
  2. Step 2: Convert to fraction form
    66,551.33/99,523.76 = 49,696.17/x
  3. Step 3: Cross multiply
    66,551.33x = 99,523.76 × 49,696.17
  4. Step 4: Simplify right side
    66,551.33x = 4,945,949,447.52
  5. Step 5: Solve for x
    x = 4,945,949,447.52/66,551.33
  6. Step 6: Final answer
    x = 74,317.82

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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.