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Finding the Fourth Proportional to 73,515.52, 101,418.88 and 45,204.48

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Solution

The fourth proportional to 73,515.52, 101,418.88 and 45,204.48 is: 62,362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,515.52 : 101,418.88 = 45,204.48 : x
  2. Step 2: Convert to fraction form
    73,515.52/101,418.88 = 45,204.48/x
  3. Step 3: Cross multiply
    73,515.52x = 101,418.88 × 45,204.48
  4. Step 4: Simplify right side
    73,515.52x = 4,584,587,732.58
  5. Step 5: Solve for x
    x = 4,584,587,732.58/73,515.52
  6. Step 6: Final answer
    x = 62,362.18

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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.