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Finding the Fourth Proportional to 56,868.57, 85,127.90 and 37,104.57

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Solution

The fourth proportional to 56,868.57, 85,127.90 and 37,104.57 is: 55,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,868.57 : 85,127.90 = 37,104.57 : x
  2. Step 2: Convert to fraction form
    56,868.57/85,127.90 = 37,104.57/x
  3. Step 3: Cross multiply
    56,868.57x = 85,127.90 × 37,104.57
  4. Step 4: Simplify right side
    56,868.57x = 3,158,633,938.98
  5. Step 5: Solve for x
    x = 3,158,633,938.98/56,868.57
  6. Step 6: Final answer
    x = 55,542.70

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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.