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Finding the Fourth Proportional to 159,595.65, 220,241.93 and 87,976.85

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Solution

The fourth proportional to 159,595.65, 220,241.93 and 87,976.85 is: 121,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,595.65 : 220,241.93 = 87,976.85 : x
  2. Step 2: Convert to fraction form
    159,595.65/220,241.93 = 87,976.85/x
  3. Step 3: Cross multiply
    159,595.65x = 220,241.93 × 87,976.85
  4. Step 4: Simplify right side
    159,595.65x = 19,376,189,698.23
  5. Step 5: Solve for x
    x = 19,376,189,698.23/159,595.65
  6. Step 6: Final answer
    x = 121,408.01

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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.