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Finding the Fourth Proportional to 60,967.80, 84,138.83 and 34,108.71

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Solution

The fourth proportional to 60,967.80, 84,138.83 and 34,108.71 is: 47,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,967.80 : 84,138.83 = 34,108.71 : x
  2. Step 2: Convert to fraction form
    60,967.80/84,138.83 = 34,108.71/x
  3. Step 3: Cross multiply
    60,967.80x = 84,138.83 × 34,108.71
  4. Step 4: Simplify right side
    60,967.80x = 2,869,866,952.21
  5. Step 5: Solve for x
    x = 2,869,866,952.21/60,967.80
  6. Step 6: Final answer
    x = 47,071.85

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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.