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Finding the Fourth Proportional to 145,879.44, 218,585.84 and 131,882.64

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Solution

The fourth proportional to 145,879.44, 218,585.84 and 131,882.64 is: 197,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,879.44 : 218,585.84 = 131,882.64 : x
  2. Step 2: Convert to fraction form
    145,879.44/218,585.84 = 131,882.64/x
  3. Step 3: Cross multiply
    145,879.44x = 218,585.84 × 131,882.64
  4. Step 4: Simplify right side
    145,879.44x = 28,827,677,645.82
  5. Step 5: Solve for x
    x = 28,827,677,645.82/145,879.44
  6. Step 6: Final answer
    x = 197,613.03

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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.