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Finding the Fourth Proportional to 167,273.32, 230,832.04 and 90,788.80

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Solution

The fourth proportional to 167,273.32, 230,832.04 and 90,788.80 is: 125,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,273.32 : 230,832.04 = 90,788.80 : x
  2. Step 2: Convert to fraction form
    167,273.32/230,832.04 = 90,788.80/x
  3. Step 3: Cross multiply
    167,273.32x = 230,832.04 × 90,788.80
  4. Step 4: Simplify right side
    167,273.32x = 20,956,963,913.15
  5. Step 5: Solve for x
    x = 20,956,963,913.15/167,273.32
  6. Step 6: Final answer
    x = 125,285.75

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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.