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Finding the Fourth Proportional to 95,838.92, 143,759.88 and 28,377.80

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Solution

The fourth proportional to 95,838.92, 143,759.88 and 28,377.80 is: 42,567.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,838.92 : 143,759.88 = 28,377.80 : x
  2. Step 2: Convert to fraction form
    95,838.92/143,759.88 = 28,377.80/x
  3. Step 3: Cross multiply
    95,838.92x = 143,759.88 × 28,377.80
  4. Step 4: Simplify right side
    95,838.92x = 4,079,588,621.08
  5. Step 5: Solve for x
    x = 4,079,588,621.08/95,838.92
  6. Step 6: Final answer
    x = 42,567.14

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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.