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Finding the Fourth Proportional to 63,873.15, 88,147.68 and 35,578.86

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Solution

The fourth proportional to 63,873.15, 88,147.68 and 35,578.86 is: 49,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,873.15 : 88,147.68 = 35,578.86 : x
  2. Step 2: Convert to fraction form
    63,873.15/88,147.68 = 35,578.86/x
  3. Step 3: Cross multiply
    63,873.15x = 88,147.68 × 35,578.86
  4. Step 4: Simplify right side
    63,873.15x = 3,136,193,966.04
  5. Step 5: Solve for x
    x = 3,136,193,966.04/63,873.15
  6. Step 6: Final answer
    x = 49,100.35

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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.