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Finding the Fourth Proportional to 159,590.11, 239,311.59 and 47,230.15

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Solution

The fourth proportional to 159,590.11, 239,311.59 and 47,230.15 is: 70,823.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,590.11 : 239,311.59 = 47,230.15 : x
  2. Step 2: Convert to fraction form
    159,590.11/239,311.59 = 47,230.15/x
  3. Step 3: Cross multiply
    159,590.11x = 239,311.59 × 47,230.15
  4. Step 4: Simplify right side
    159,590.11x = 11,302,722,292.44
  5. Step 5: Solve for x
    x = 11,302,722,292.44/159,590.11
  6. Step 6: Final answer
    x = 70,823.45

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1.5x scale

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.