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Finding the Fourth Proportional to 151,575.58, 209,183.89 and 83,592.68

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Solution

The fourth proportional to 151,575.58, 209,183.89 and 83,592.68 is: 115,363.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,575.58 : 209,183.89 = 83,592.68 : x
  2. Step 2: Convert to fraction form
    151,575.58/209,183.89 = 83,592.68/x
  3. Step 3: Cross multiply
    151,575.58x = 209,183.89 × 83,592.68
  4. Step 4: Simplify right side
    151,575.58x = 17,486,242,879.85
  5. Step 5: Solve for x
    x = 17,486,242,879.85/151,575.58
  6. Step 6: Final answer
    x = 115,363.19

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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.