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Finding the Fourth Proportional to 135,466.40, 203,314.80 and 60,701.60

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Solution

The fourth proportional to 135,466.40, 203,314.80 and 60,701.60 is: 91,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,466.40 : 203,314.80 = 60,701.60 : x
  2. Step 2: Convert to fraction form
    135,466.40/203,314.80 = 60,701.60/x
  3. Step 3: Cross multiply
    135,466.40x = 203,314.80 × 60,701.60
  4. Step 4: Simplify right side
    135,466.40x = 12,341,533,663.68
  5. Step 5: Solve for x
    x = 12,341,533,663.68/135,466.40
  6. Step 6: Final answer
    x = 91,104.02

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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.