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Finding the Fourth Proportional to 253,747.41, 350,182.82 and 140,562.87

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Solution

The fourth proportional to 253,747.41, 350,182.82 and 140,562.87 is: 193,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,747.41 : 350,182.82 = 140,562.87 : x
  2. Step 2: Convert to fraction form
    253,747.41/350,182.82 = 140,562.87/x
  3. Step 3: Cross multiply
    253,747.41x = 350,182.82 × 140,562.87
  4. Step 4: Simplify right side
    253,747.41x = 49,222,701,501.08
  5. Step 5: Solve for x
    x = 49,222,701,501.08/253,747.41
  6. Step 6: Final answer
    x = 193,983.07

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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.