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Finding the Fourth Proportional to 253,992.29, 350,525.08 and 140,815.04

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Solution

The fourth proportional to 253,992.29, 350,525.08 and 140,815.04 is: 194,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,992.29 : 350,525.08 = 140,815.04 : x
  2. Step 2: Convert to fraction form
    253,992.29/350,525.08 = 140,815.04/x
  3. Step 3: Cross multiply
    253,992.29x = 350,525.08 × 140,815.04
  4. Step 4: Simplify right side
    253,992.29x = 49,359,203,161.20
  5. Step 5: Solve for x
    x = 49,359,203,161.20/253,992.29
  6. Step 6: Final answer
    x = 194,333.47

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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.