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Finding the Fourth Proportional to 132,770.06, 199,034.60 and 66,230.60

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Solution

The fourth proportional to 132,770.06, 199,034.60 and 66,230.60 is: 99,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,770.06 : 199,034.60 = 66,230.60 : x
  2. Step 2: Convert to fraction form
    132,770.06/199,034.60 = 66,230.60/x
  3. Step 3: Cross multiply
    132,770.06x = 199,034.60 × 66,230.60
  4. Step 4: Simplify right side
    132,770.06x = 13,182,180,978.76
  5. Step 5: Solve for x
    x = 13,182,180,978.76/132,770.06
  6. Step 6: Final answer
    x = 99,285.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.