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Finding the Fourth Proportional to 192,001.30, 288,001.95 and 115,893.70

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Solution

The fourth proportional to 192,001.30, 288,001.95 and 115,893.70 is: 173,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,001.30 : 288,001.95 = 115,893.70 : x
  2. Step 2: Convert to fraction form
    192,001.30/288,001.95 = 115,893.70/x
  3. Step 3: Cross multiply
    192,001.30x = 288,001.95 × 115,893.70
  4. Step 4: Simplify right side
    192,001.30x = 33,377,611,592.72
  5. Step 5: Solve for x
    x = 33,377,611,592.72/192,001.30
  6. Step 6: Final answer
    x = 173,840.55

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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.