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Finding the Fourth Proportional to 124,216.80, 186,234.06 and 49,299.90

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Solution

The fourth proportional to 124,216.80, 186,234.06 and 49,299.90 is: 73,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,216.80 : 186,234.06 = 49,299.90 : x
  2. Step 2: Convert to fraction form
    124,216.80/186,234.06 = 49,299.90/x
  3. Step 3: Cross multiply
    124,216.80x = 186,234.06 × 49,299.90
  4. Step 4: Simplify right side
    124,216.80x = 9,181,320,534.59
  5. Step 5: Solve for x
    x = 9,181,320,534.59/124,216.80
  6. Step 6: Final answer
    x = 73,913.68

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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.