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Finding the Fourth Proportional to 85,234.60, 127,851.72 and 22,905.10

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Solution

The fourth proportional to 85,234.60, 127,851.72 and 22,905.10 is: 34,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,234.60 : 127,851.72 = 22,905.10 : x
  2. Step 2: Convert to fraction form
    85,234.60/127,851.72 = 22,905.10/x
  3. Step 3: Cross multiply
    85,234.60x = 127,851.72 × 22,905.10
  4. Step 4: Simplify right side
    85,234.60x = 2,928,456,431.77
  5. Step 5: Solve for x
    x = 2,928,456,431.77/85,234.60
  6. Step 6: Final answer
    x = 34,357.60

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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.