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Finding the Fourth Proportional to 71,040.66, 106,470.48 and 37,776.66

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Solution

The fourth proportional to 71,040.66, 106,470.48 and 37,776.66 is: 56,616.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,040.66 : 106,470.48 = 37,776.66 : x
  2. Step 2: Convert to fraction form
    71,040.66/106,470.48 = 37,776.66/x
  3. Step 3: Cross multiply
    71,040.66x = 106,470.48 × 37,776.66
  4. Step 4: Simplify right side
    71,040.66x = 4,022,099,123.00
  5. Step 5: Solve for x
    x = 4,022,099,123.00/71,040.66
  6. Step 6: Final answer
    x = 56,616.86

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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.