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Finding the Fourth Proportional to 195,143.80, 292,278.30 and 160,151.80

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Solution

The fourth proportional to 195,143.80, 292,278.30 and 160,151.80 is: 239,868.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,143.80 : 292,278.30 = 160,151.80 : x
  2. Step 2: Convert to fraction form
    195,143.80/292,278.30 = 160,151.80/x
  3. Step 3: Cross multiply
    195,143.80x = 292,278.30 × 160,151.80
  4. Step 4: Simplify right side
    195,143.80x = 46,808,895,845.94
  5. Step 5: Solve for x
    x = 46,808,895,845.94/195,143.80
  6. Step 6: Final answer
    x = 239,868.73

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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.