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Finding the Fourth Proportional to 95,491.82, 143,113.19 and 53,370.20

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Solution

The fourth proportional to 95,491.82, 143,113.19 and 53,370.20 is: 79,985.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,491.82 : 143,113.19 = 53,370.20 : x
  2. Step 2: Convert to fraction form
    95,491.82/143,113.19 = 53,370.20/x
  3. Step 3: Cross multiply
    95,491.82x = 143,113.19 × 53,370.20
  4. Step 4: Simplify right side
    95,491.82x = 7,637,978,590.52
  5. Step 5: Solve for x
    x = 7,637,978,590.52/95,491.82
  6. Step 6: Final answer
    x = 79,985.69

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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.