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Finding the Fourth Proportional to 195,650.40, 270,061.68 and 115,073.76

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Solution

The fourth proportional to 195,650.40, 270,061.68 and 115,073.76 is: 158,839.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,650.40 : 270,061.68 = 115,073.76 : x
  2. Step 2: Convert to fraction form
    195,650.40/270,061.68 = 115,073.76/x
  3. Step 3: Cross multiply
    195,650.40x = 270,061.68 × 115,073.76
  4. Step 4: Simplify right side
    195,650.40x = 31,077,012,949.52
  5. Step 5: Solve for x
    x = 31,077,012,949.52/195,650.40
  6. Step 6: Final answer
    x = 158,839.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.