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Finding the Fourth Proportional to 95,589.90, 131,913.63 and 53,145.90

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Solution

The fourth proportional to 95,589.90, 131,913.63 and 53,145.90 is: 73,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,589.90 : 131,913.63 = 53,145.90 : x
  2. Step 2: Convert to fraction form
    95,589.90/131,913.63 = 53,145.90/x
  3. Step 3: Cross multiply
    95,589.90x = 131,913.63 × 53,145.90
  4. Step 4: Simplify right side
    95,589.90x = 7,010,668,588.62
  5. Step 5: Solve for x
    x = 7,010,668,588.62/95,589.90
  6. Step 6: Final answer
    x = 73,341.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.