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Finding the Fourth Proportional to 85,064.46, 127,625.31 and 37,672.98

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Solution

The fourth proportional to 85,064.46, 127,625.31 and 37,672.98 is: 56,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,064.46 : 127,625.31 = 37,672.98 : x
  2. Step 2: Convert to fraction form
    85,064.46/127,625.31 = 37,672.98/x
  3. Step 3: Cross multiply
    85,064.46x = 127,625.31 × 37,672.98
  4. Step 4: Simplify right side
    85,064.46x = 4,808,025,751.12
  5. Step 5: Solve for x
    x = 4,808,025,751.12/85,064.46
  6. Step 6: Final answer
    x = 56,522.15

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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.