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Finding the Fourth Proportional to 167,071.92, 230,559 and 90,590.88

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Solution

The fourth proportional to 167,071.92, 230,559 and 90,590.88 is: 125,015.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,071.92 : 230,559 = 90,590.88 : x
  2. Step 2: Convert to fraction form
    167,071.92/230,559 = 90,590.88/x
  3. Step 3: Cross multiply
    167,071.92x = 230,559 × 90,590.88
  4. Step 4: Simplify right side
    167,071.92x = 20,886,542,701.92
  5. Step 5: Solve for x
    x = 20,886,542,701.92/167,071.92
  6. Step 6: Final answer
    x = 125,015.28

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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.