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Finding the Fourth Proportional to 253,633.94, 350,014.94 and 140,456.69

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Solution

The fourth proportional to 253,633.94, 350,014.94 and 140,456.69 is: 193,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,633.94 : 350,014.94 = 140,456.69 : x
  2. Step 2: Convert to fraction form
    253,633.94/350,014.94 = 140,456.69/x
  3. Step 3: Cross multiply
    253,633.94x = 350,014.94 × 140,456.69
  4. Step 4: Simplify right side
    253,633.94x = 49,161,939,922.95
  5. Step 5: Solve for x
    x = 49,161,939,922.95/253,633.94
  6. Step 6: Final answer
    x = 193,830.29

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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.