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Finding the Fourth Proportional to 71,326.92, 98,403.08 and 45,829.47

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Solution

The fourth proportional to 71,326.92, 98,403.08 and 45,829.47 is: 63,226.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,326.92 : 98,403.08 = 45,829.47 : x
  2. Step 2: Convert to fraction form
    71,326.92/98,403.08 = 45,829.47/x
  3. Step 3: Cross multiply
    71,326.92x = 98,403.08 × 45,829.47
  4. Step 4: Simplify right side
    71,326.92x = 4,509,760,773.62
  5. Step 5: Solve for x
    x = 4,509,760,773.62/71,326.92
  6. Step 6: Final answer
    x = 63,226.63

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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.