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Finding the Fourth Proportional to 124,545, 186,819.14 and 41,439

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Solution

The fourth proportional to 124,545, 186,819.14 and 41,439 is: 62,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,545 : 186,819.14 = 41,439 : x
  2. Step 2: Convert to fraction form
    124,545/186,819.14 = 41,439/x
  3. Step 3: Cross multiply
    124,545x = 186,819.14 × 41,439
  4. Step 4: Simplify right side
    124,545x = 7,741,598,342.46
  5. Step 5: Solve for x
    x = 7,741,598,342.46/124,545
  6. Step 6: Final answer
    x = 62,159.05

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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.