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Finding the Fourth Proportional to 167,093.61, 230,590.97 and 90,612.85

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Solution

The fourth proportional to 167,093.61, 230,590.97 and 90,612.85 is: 125,046.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,093.61 : 230,590.97 = 90,612.85 : x
  2. Step 2: Convert to fraction form
    167,093.61/230,590.97 = 90,612.85/x
  3. Step 3: Cross multiply
    167,093.61x = 230,590.97 × 90,612.85
  4. Step 4: Simplify right side
    167,093.61x = 20,894,503,946.42
  5. Step 5: Solve for x
    x = 20,894,503,946.42/167,093.61
  6. Step 6: Final answer
    x = 125,046.70

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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.