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Finding the Fourth Proportional to 63,108.88, 94,596.12 and 47,478.16

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Solution

The fourth proportional to 63,108.88, 94,596.12 and 47,478.16 is: 71,166.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,108.88 : 94,596.12 = 47,478.16 : x
  2. Step 2: Convert to fraction form
    63,108.88/94,596.12 = 47,478.16/x
  3. Step 3: Cross multiply
    63,108.88x = 94,596.12 × 47,478.16
  4. Step 4: Simplify right side
    63,108.88x = 4,491,249,720.74
  5. Step 5: Solve for x
    x = 4,491,249,720.74/63,108.88
  6. Step 6: Final answer
    x = 71,166.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.