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Finding the Fourth Proportional to 95,537.80, 143,306.70 and 28,974.70

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Solution

The fourth proportional to 95,537.80, 143,306.70 and 28,974.70 is: 43,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,537.80 : 143,306.70 = 28,974.70 : x
  2. Step 2: Convert to fraction form
    95,537.80/143,306.70 = 28,974.70/x
  3. Step 3: Cross multiply
    95,537.80x = 143,306.70 × 28,974.70
  4. Step 4: Simplify right side
    95,537.80x = 4,152,268,640.49
  5. Step 5: Solve for x
    x = 4,152,268,640.49/95,537.80
  6. Step 6: Final answer
    x = 43,462.05

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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.