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Finding the Fourth Proportional to 147,219.12, 220,825.44 and 36,411.12

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Solution

The fourth proportional to 147,219.12, 220,825.44 and 36,411.12 is: 54,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,219.12 : 220,825.44 = 36,411.12 : x
  2. Step 2: Convert to fraction form
    147,219.12/220,825.44 = 36,411.12/x
  3. Step 3: Cross multiply
    147,219.12x = 220,825.44 × 36,411.12
  4. Step 4: Simplify right side
    147,219.12x = 8,040,501,594.89
  5. Step 5: Solve for x
    x = 8,040,501,594.89/147,219.12
  6. Step 6: Final answer
    x = 54,615.88

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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.