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Finding the Fourth Proportional to 71,060.68, 98,013.61 and 45,574.44

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Solution

The fourth proportional to 71,060.68, 98,013.61 and 45,574.44 is: 62,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,060.68 : 98,013.61 = 45,574.44 : x
  2. Step 2: Convert to fraction form
    71,060.68/98,013.61 = 45,574.44/x
  3. Step 3: Cross multiply
    71,060.68x = 98,013.61 × 45,574.44
  4. Step 4: Simplify right side
    71,060.68x = 4,466,915,388.13
  5. Step 5: Solve for x
    x = 4,466,915,388.13/71,060.68
  6. Step 6: Final answer
    x = 62,860.58

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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.