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Finding the Fourth Proportional to 67,618.79, 101,477.96 and 32,080.17

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Solution

The fourth proportional to 67,618.79, 101,477.96 and 32,080.17 is: 48,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,618.79 : 101,477.96 = 32,080.17 : x
  2. Step 2: Convert to fraction form
    67,618.79/101,477.96 = 32,080.17/x
  3. Step 3: Cross multiply
    67,618.79x = 101,477.96 × 32,080.17
  4. Step 4: Simplify right side
    67,618.79x = 3,255,430,208.05
  5. Step 5: Solve for x
    x = 3,255,430,208.05/67,618.79
  6. Step 6: Final answer
    x = 48,143.87

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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.