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Finding the Fourth Proportional to 85,114.80, 127,672.20 and 32,517.45

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Solution

The fourth proportional to 85,114.80, 127,672.20 and 32,517.45 is: 48,776.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,114.80 : 127,672.20 = 32,517.45 : x
  2. Step 2: Convert to fraction form
    85,114.80/127,672.20 = 32,517.45/x
  3. Step 3: Cross multiply
    85,114.80x = 127,672.20 × 32,517.45
  4. Step 4: Simplify right side
    85,114.80x = 4,151,574,379.89
  5. Step 5: Solve for x
    x = 4,151,574,379.89/85,114.80
  6. Step 6: Final answer
    x = 48,776.18

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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.