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Finding the Fourth Proportional to 166,770.92, 230,144.02 and 90,290.08

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Solution

The fourth proportional to 166,770.92, 230,144.02 and 90,290.08 is: 124,600.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,770.92 : 230,144.02 = 90,290.08 : x
  2. Step 2: Convert to fraction form
    166,770.92/230,144.02 = 90,290.08/x
  3. Step 3: Cross multiply
    166,770.92x = 230,144.02 × 90,290.08
  4. Step 4: Simplify right side
    166,770.92x = 20,779,721,977.32
  5. Step 5: Solve for x
    x = 20,779,721,977.32/166,770.92
  6. Step 6: Final answer
    x = 124,600.39

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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.