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Finding the Fourth Proportional to 95,423.40, 143,135.10 and 28,873.80

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Solution

The fourth proportional to 95,423.40, 143,135.10 and 28,873.80 is: 43,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,423.40 : 143,135.10 = 28,873.80 : x
  2. Step 2: Convert to fraction form
    95,423.40/143,135.10 = 28,873.80/x
  3. Step 3: Cross multiply
    95,423.40x = 143,135.10 × 28,873.80
  4. Step 4: Simplify right side
    95,423.40x = 4,132,854,250.38
  5. Step 5: Solve for x
    x = 4,132,854,250.38/95,423.40
  6. Step 6: Final answer
    x = 43,310.70

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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.