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Finding the Fourth Proportional to 67,581.84, 101,336.31 and 34,281.12

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Solution

The fourth proportional to 67,581.84, 101,336.31 and 34,281.12 is: 51,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,581.84 : 101,336.31 = 34,281.12 : x
  2. Step 2: Convert to fraction form
    67,581.84/101,336.31 = 34,281.12/x
  3. Step 3: Cross multiply
    67,581.84x = 101,336.31 × 34,281.12
  4. Step 4: Simplify right side
    67,581.84x = 3,473,922,203.47
  5. Step 5: Solve for x
    x = 3,473,922,203.47/67,581.84
  6. Step 6: Final answer
    x = 51,403.19

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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.