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Finding the Fourth Proportional to 147,220.44, 220,830.12 and 36,412.44

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Solution

The fourth proportional to 147,220.44, 220,830.12 and 36,412.44 is: 54,618.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,220.44 : 220,830.12 = 36,412.44 : x
  2. Step 2: Convert to fraction form
    147,220.44/220,830.12 = 36,412.44/x
  3. Step 3: Cross multiply
    147,220.44x = 220,830.12 × 36,412.44
  4. Step 4: Simplify right side
    147,220.44x = 8,040,963,494.69
  5. Step 5: Solve for x
    x = 8,040,963,494.69/147,220.44
  6. Step 6: Final answer
    x = 54,618.53

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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.