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Finding the Fourth Proportional to 167,377.08, 230,980.50 and 90,894.72

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Solution

The fourth proportional to 167,377.08, 230,980.50 and 90,894.72 is: 125,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,377.08 : 230,980.50 = 90,894.72 : x
  2. Step 2: Convert to fraction form
    167,377.08/230,980.50 = 90,894.72/x
  3. Step 3: Cross multiply
    167,377.08x = 230,980.50 × 90,894.72
  4. Step 4: Simplify right side
    167,377.08x = 20,994,907,872.96
  5. Step 5: Solve for x
    x = 20,994,907,872.96/167,377.08
  6. Step 6: Final answer
    x = 125,434.78

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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.