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Finding the Fourth Proportional to 95,472.10, 143,171.70 and 28,890.10

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Solution

The fourth proportional to 95,472.10, 143,171.70 and 28,890.10 is: 43,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,472.10 : 143,171.70 = 28,890.10 : x
  2. Step 2: Convert to fraction form
    95,472.10/143,171.70 = 28,890.10/x
  3. Step 3: Cross multiply
    95,472.10x = 143,171.70 × 28,890.10
  4. Step 4: Simplify right side
    95,472.10x = 4,136,244,730.17
  5. Step 5: Solve for x
    x = 4,136,244,730.17/95,472.10
  6. Step 6: Final answer
    x = 43,324.12

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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.