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Finding the Fourth Proportional to 183,671.52, 253,233.84 and 140,701.92

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Solution

The fourth proportional to 183,671.52, 253,233.84 and 140,701.92 is: 193,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,671.52 : 253,233.84 = 140,701.92 : x
  2. Step 2: Convert to fraction form
    183,671.52/253,233.84 = 140,701.92/x
  3. Step 3: Cross multiply
    183,671.52x = 253,233.84 × 140,701.92
  4. Step 4: Simplify right side
    183,671.52x = 35,630,487,496.97
  5. Step 5: Solve for x
    x = 35,630,487,496.97/183,671.52
  6. Step 6: Final answer
    x = 193,990.27

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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.