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Finding the Fourth Proportional to 67,552.56, 101,341.08 and 20,794.50

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Solution

The fourth proportional to 67,552.56, 101,341.08 and 20,794.50 is: 31,195.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,552.56 : 101,341.08 = 20,794.50 : x
  2. Step 2: Convert to fraction form
    67,552.56/101,341.08 = 20,794.50/x
  3. Step 3: Cross multiply
    67,552.56x = 101,341.08 × 20,794.50
  4. Step 4: Simplify right side
    67,552.56x = 2,107,337,088.06
  5. Step 5: Solve for x
    x = 2,107,337,088.06/67,552.56
  6. Step 6: Final answer
    x = 31,195.52

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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.