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Finding the Fourth Proportional to 218,179.44, 301,173.39 and 137,590.92

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Solution

The fourth proportional to 218,179.44, 301,173.39 and 137,590.92 is: 189,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,179.44 : 301,173.39 = 137,590.92 : x
  2. Step 2: Convert to fraction form
    218,179.44/301,173.39 = 137,590.92/x
  3. Step 3: Cross multiply
    218,179.44x = 301,173.39 × 137,590.92
  4. Step 4: Simplify right side
    218,179.44x = 41,438,723,809.62
  5. Step 5: Solve for x
    x = 41,438,723,809.62/218,179.44
  6. Step 6: Final answer
    x = 189,929.55

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1.5x scale

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.