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Finding the Fourth Proportional to 67,318.16, 101,023.88 and 26,787.51

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Solution

The fourth proportional to 67,318.16, 101,023.88 and 26,787.51 is: 40,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,318.16 : 101,023.88 = 26,787.51 : x
  2. Step 2: Convert to fraction form
    67,318.16/101,023.88 = 26,787.51/x
  3. Step 3: Cross multiply
    67,318.16x = 101,023.88 × 26,787.51
  4. Step 4: Simplify right side
    67,318.16x = 2,706,178,061.80
  5. Step 5: Solve for x
    x = 2,706,178,061.80/67,318.16
  6. Step 6: Final answer
    x = 40,199.83

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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.