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Finding the Fourth Proportional to 147,196.20, 220,794.30 and 36,388.20

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Solution

The fourth proportional to 147,196.20, 220,794.30 and 36,388.20 is: 54,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,196.20 : 220,794.30 = 36,388.20 : x
  2. Step 2: Convert to fraction form
    147,196.20/220,794.30 = 36,388.20/x
  3. Step 3: Cross multiply
    147,196.20x = 220,794.30 × 36,388.20
  4. Step 4: Simplify right side
    147,196.20x = 8,034,307,147.26
  5. Step 5: Solve for x
    x = 8,034,307,147.26/147,196.20
  6. Step 6: Final answer
    x = 54,582.30

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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.