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Finding the Fourth Proportional to 119,755.80, 179,633.67 and 40,870.02

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Solution

The fourth proportional to 119,755.80, 179,633.67 and 40,870.02 is: 61,305.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,755.80 : 179,633.67 = 40,870.02 : x
  2. Step 2: Convert to fraction form
    119,755.80/179,633.67 = 40,870.02/x
  3. Step 3: Cross multiply
    119,755.80x = 179,633.67 × 40,870.02
  4. Step 4: Simplify right side
    119,755.80x = 7,341,631,685.57
  5. Step 5: Solve for x
    x = 7,341,631,685.57/119,755.80
  6. Step 6: Final answer
    x = 61,305.02

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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.