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Finding the Fourth Proportional to 71,352.36, 98,454.42 and 45,864.36

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Solution

The fourth proportional to 71,352.36, 98,454.42 and 45,864.36 is: 63,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,352.36 : 98,454.42 = 45,864.36 : x
  2. Step 2: Convert to fraction form
    71,352.36/98,454.42 = 45,864.36/x
  3. Step 3: Cross multiply
    71,352.36x = 98,454.42 × 45,864.36
  4. Step 4: Simplify right side
    71,352.36x = 4,515,548,962.47
  5. Step 5: Solve for x
    x = 4,515,548,962.47/71,352.36
  6. Step 6: Final answer
    x = 63,285.21

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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.