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Finding the Fourth Proportional to 253,803.08, 350,248.25 and 140,625.83

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Solution

The fourth proportional to 253,803.08, 350,248.25 and 140,625.83 is: 194,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,803.08 : 350,248.25 = 140,625.83 : x
  2. Step 2: Convert to fraction form
    253,803.08/350,248.25 = 140,625.83/x
  3. Step 3: Cross multiply
    253,803.08x = 350,248.25 × 140,625.83
  4. Step 4: Simplify right side
    253,803.08x = 49,253,950,862.30
  5. Step 5: Solve for x
    x = 49,253,950,862.30/253,803.08
  6. Step 6: Final answer
    x = 194,063.65

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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.