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Finding the Fourth Proportional to 253,722.76, 350,148.18 and 140,545.48

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Solution

The fourth proportional to 253,722.76, 350,148.18 and 140,545.48 is: 193,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,722.76 : 350,148.18 = 140,545.48 : x
  2. Step 2: Convert to fraction form
    253,722.76/350,148.18 = 140,545.48/x
  3. Step 3: Cross multiply
    253,722.76x = 350,148.18 × 140,545.48
  4. Step 4: Simplify right side
    253,722.76x = 49,211,744,029.23
  5. Step 5: Solve for x
    x = 49,211,744,029.23/253,722.76
  6. Step 6: Final answer
    x = 193,958.73

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1.5x scale

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.