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Finding the Fourth Proportional to 124,042.52, 186,063.76 and 36,490.52

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Solution

The fourth proportional to 124,042.52, 186,063.76 and 36,490.52 is: 54,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,042.52 : 186,063.76 = 36,490.52 : x
  2. Step 2: Convert to fraction form
    124,042.52/186,063.76 = 36,490.52/x
  3. Step 3: Cross multiply
    124,042.52x = 186,063.76 × 36,490.52
  4. Step 4: Simplify right side
    124,042.52x = 6,789,563,355.56
  5. Step 5: Solve for x
    x = 6,789,563,355.56/124,042.52
  6. Step 6: Final answer
    x = 54,735.77

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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.