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Finding the Fourth Proportional to 63,113.41, 94,531.03 and 52,169.90

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Solution

The fourth proportional to 63,113.41, 94,531.03 and 52,169.90 is: 78,139.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,113.41 : 94,531.03 = 52,169.90 : x
  2. Step 2: Convert to fraction form
    63,113.41/94,531.03 = 52,169.90/x
  3. Step 3: Cross multiply
    63,113.41x = 94,531.03 × 52,169.90
  4. Step 4: Simplify right side
    63,113.41x = 4,931,674,487.90
  5. Step 5: Solve for x
    x = 4,931,674,487.90/63,113.41
  6. Step 6: Final answer
    x = 78,139.89

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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.