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Finding the Fourth Proportional to 59,105.60, 88,442.40 and 43,553.60

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Solution

The fourth proportional to 59,105.60, 88,442.40 and 43,553.60 is: 65,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,105.60 : 88,442.40 = 43,553.60 : x
  2. Step 2: Convert to fraction form
    59,105.60/88,442.40 = 43,553.60/x
  3. Step 3: Cross multiply
    59,105.60x = 88,442.40 × 43,553.60
  4. Step 4: Simplify right side
    59,105.60x = 3,851,984,912.64
  5. Step 5: Solve for x
    x = 3,851,984,912.64/59,105.60
  6. Step 6: Final answer
    x = 65,171.23

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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.