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Finding the Fourth Proportional to 253,825.44, 350,259.84 and 140,645.76

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Solution

The fourth proportional to 253,825.44, 350,259.84 and 140,645.76 is: 194,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,825.44 : 350,259.84 = 140,645.76 : x
  2. Step 2: Convert to fraction form
    253,825.44/350,259.84 = 140,645.76/x
  3. Step 3: Cross multiply
    253,825.44x = 350,259.84 × 140,645.76
  4. Step 4: Simplify right side
    253,825.44x = 49,262,561,394.28
  5. Step 5: Solve for x
    x = 49,262,561,394.28/253,825.44
  6. Step 6: Final answer
    x = 194,080.47

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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.