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Finding the Fourth Proportional to 85,267.49, 117,659.39 and 48,966.93

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Solution

The fourth proportional to 85,267.49, 117,659.39 and 48,966.93 is: 67,568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,267.49 : 117,659.39 = 48,966.93 : x
  2. Step 2: Convert to fraction form
    85,267.49/117,659.39 = 48,966.93/x
  3. Step 3: Cross multiply
    85,267.49x = 117,659.39 × 48,966.93
  4. Step 4: Simplify right side
    85,267.49x = 5,761,418,869.14
  5. Step 5: Solve for x
    x = 5,761,418,869.14/85,267.49
  6. Step 6: Final answer
    x = 67,568.77

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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.