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Finding the Fourth Proportional to 68,521.86, 94,452.96 and 63,023.16

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Solution

The fourth proportional to 68,521.86, 94,452.96 and 63,023.16 is: 86,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,521.86 : 94,452.96 = 63,023.16 : x
  2. Step 2: Convert to fraction form
    68,521.86/94,452.96 = 63,023.16/x
  3. Step 3: Cross multiply
    68,521.86x = 94,452.96 × 63,023.16
  4. Step 4: Simplify right side
    68,521.86x = 5,952,724,010.55
  5. Step 5: Solve for x
    x = 5,952,724,010.55/68,521.86
  6. Step 6: Final answer
    x = 86,873.36

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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.