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Finding the Fourth Proportional to 63,159.40, 94,815.90 and 47,453.80

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Solution

The fourth proportional to 63,159.40, 94,815.90 and 47,453.80 is: 71,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,159.40 : 94,815.90 = 47,453.80 : x
  2. Step 2: Convert to fraction form
    63,159.40/94,815.90 = 47,453.80/x
  3. Step 3: Cross multiply
    63,159.40x = 94,815.90 × 47,453.80
  4. Step 4: Simplify right side
    63,159.40x = 4,499,374,755.42
  5. Step 5: Solve for x
    x = 4,499,374,755.42/63,159.40
  6. Step 6: Final answer
    x = 71,238.40

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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.