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Finding the Fourth Proportional to 192,773.52, 288,638.64 and 136,381.32

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Solution

The fourth proportional to 192,773.52, 288,638.64 and 136,381.32 is: 204,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,773.52 : 288,638.64 = 136,381.32 : x
  2. Step 2: Convert to fraction form
    192,773.52/288,638.64 = 136,381.32/x
  3. Step 3: Cross multiply
    192,773.52x = 288,638.64 × 136,381.32
  4. Step 4: Simplify right side
    192,773.52x = 39,364,918,726.20
  5. Step 5: Solve for x
    x = 39,364,918,726.20/192,773.52
  6. Step 6: Final answer
    x = 204,202.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.