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Finding the Fourth Proportional to 61,148.49, 91,754.82 and 44,419.71

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Solution

The fourth proportional to 61,148.49, 91,754.82 and 44,419.71 is: 66,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,148.49 : 91,754.82 = 44,419.71 : x
  2. Step 2: Convert to fraction form
    61,148.49/91,754.82 = 44,419.71/x
  3. Step 3: Cross multiply
    61,148.49x = 91,754.82 × 44,419.71
  4. Step 4: Simplify right side
    61,148.49x = 4,075,722,495.50
  5. Step 5: Solve for x
    x = 4,075,722,495.50/61,148.49
  6. Step 6: Final answer
    x = 66,652.87

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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.