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Finding the Fourth Proportional to 108,169.80, 162,315.78 and 58,248.84

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Solution

The fourth proportional to 108,169.80, 162,315.78 and 58,248.84 is: 87,406.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,169.80 : 162,315.78 = 58,248.84 : x
  2. Step 2: Convert to fraction form
    108,169.80/162,315.78 = 58,248.84/x
  3. Step 3: Cross multiply
    108,169.80x = 162,315.78 × 58,248.84
  4. Step 4: Simplify right side
    108,169.80x = 9,454,705,898.70
  5. Step 5: Solve for x
    x = 9,454,705,898.70/108,169.80
  6. Step 6: Final answer
    x = 87,406.15

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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.