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Finding the Fourth Proportional to 100,794.72, 151,324.96 and 58,713.60

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Solution

The fourth proportional to 100,794.72, 151,324.96 and 58,713.60 is: 88,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,794.72 : 151,324.96 = 58,713.60 : x
  2. Step 2: Convert to fraction form
    100,794.72/151,324.96 = 58,713.60/x
  3. Step 3: Cross multiply
    100,794.72x = 151,324.96 × 58,713.60
  4. Step 4: Simplify right side
    100,794.72x = 8,884,833,171.46
  5. Step 5: Solve for x
    x = 8,884,833,171.46/100,794.72
  6. Step 6: Final answer
    x = 88,147.80

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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.