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Finding the Fourth Proportional to 124,508.85, 186,764.94 and 39,116.94

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Solution

The fourth proportional to 124,508.85, 186,764.94 and 39,116.94 is: 58,675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,508.85 : 186,764.94 = 39,116.94 : x
  2. Step 2: Convert to fraction form
    124,508.85/186,764.94 = 39,116.94/x
  3. Step 3: Cross multiply
    124,508.85x = 186,764.94 × 39,116.94
  4. Step 4: Simplify right side
    124,508.85x = 7,305,672,952.08
  5. Step 5: Solve for x
    x = 7,305,672,952.08/124,508.85
  6. Step 6: Final answer
    x = 58,675.93

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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.