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Finding the Fourth Proportional to 276,127.80, 413,900.10 and 157,543.80

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Solution

The fourth proportional to 276,127.80, 413,900.10 and 157,543.80 is: 236,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,127.80 : 413,900.10 = 157,543.80 : x
  2. Step 2: Convert to fraction form
    276,127.80/413,900.10 = 157,543.80/x
  3. Step 3: Cross multiply
    276,127.80x = 413,900.10 × 157,543.80
  4. Step 4: Simplify right side
    276,127.80x = 65,207,394,574.38
  5. Step 5: Solve for x
    x = 65,207,394,574.38/276,127.80
  6. Step 6: Final answer
    x = 236,149.33

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1.5x scale

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.