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Finding the Fourth Proportional to 195,754.73, 293,701.80 and 120,787.55

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Solution

The fourth proportional to 195,754.73, 293,701.80 and 120,787.55 is: 181,224.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,754.73 : 293,701.80 = 120,787.55 : x
  2. Step 2: Convert to fraction form
    195,754.73/293,701.80 = 120,787.55/x
  3. Step 3: Cross multiply
    195,754.73x = 293,701.80 × 120,787.55
  4. Step 4: Simplify right side
    195,754.73x = 35,475,521,911.06
  5. Step 5: Solve for x
    x = 35,475,521,911.06/195,754.73
  6. Step 6: Final answer
    x = 181,224.35

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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.