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Finding the Fourth Proportional to 105,169.35, 156,949.13 and 93,950.04

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Solution

The fourth proportional to 105,169.35, 156,949.13 and 93,950.04 is: 140,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,169.35 : 156,949.13 = 93,950.04 : x
  2. Step 2: Convert to fraction form
    105,169.35/156,949.13 = 93,950.04/x
  3. Step 3: Cross multiply
    105,169.35x = 156,949.13 × 93,950.04
  4. Step 4: Simplify right side
    105,169.35x = 14,745,377,041.47
  5. Step 5: Solve for x
    x = 14,745,377,041.47/105,169.35
  6. Step 6: Final answer
    x = 140,206.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.