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Finding the Fourth Proportional to 253,888.80, 350,365.82 and 140,711.56

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Solution

The fourth proportional to 253,888.80, 350,365.82 and 140,711.56 is: 194,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,888.80 : 350,365.82 = 140,711.56 : x
  2. Step 2: Convert to fraction form
    253,888.80/350,365.82 = 140,711.56/x
  3. Step 3: Cross multiply
    253,888.80x = 350,365.82 × 140,711.56
  4. Step 4: Simplify right side
    253,888.80x = 49,300,521,102.88
  5. Step 5: Solve for x
    x = 49,300,521,102.88/253,888.80
  6. Step 6: Final answer
    x = 194,181.55

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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.