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Finding the Fourth Proportional to 67,859.50, 101,833.08 and 26,306.50

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Solution

The fourth proportional to 67,859.50, 101,833.08 and 26,306.50 is: 39,476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,859.50 : 101,833.08 = 26,306.50 : x
  2. Step 2: Convert to fraction form
    67,859.50/101,833.08 = 26,306.50/x
  3. Step 3: Cross multiply
    67,859.50x = 101,833.08 × 26,306.50
  4. Step 4: Simplify right side
    67,859.50x = 2,678,871,919.02
  5. Step 5: Solve for x
    x = 2,678,871,919.02/67,859.50
  6. Step 6: Final answer
    x = 39,476.74

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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.