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Finding the Fourth Proportional to 179,506.80, 247,641.50 and 106,869.04

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Solution

The fourth proportional to 179,506.80, 247,641.50 and 106,869.04 is: 147,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,506.80 : 247,641.50 = 106,869.04 : x
  2. Step 2: Convert to fraction form
    179,506.80/247,641.50 = 106,869.04/x
  3. Step 3: Cross multiply
    179,506.80x = 247,641.50 × 106,869.04
  4. Step 4: Simplify right side
    179,506.80x = 26,465,209,017.23
  5. Step 5: Solve for x
    x = 26,465,209,017.23/179,506.80
  6. Step 6: Final answer
    x = 147,432.91

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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.