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Finding the Fourth Proportional to 147,054.12, 220,581.22 and 36,246.12

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Solution

The fourth proportional to 147,054.12, 220,581.22 and 36,246.12 is: 54,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,054.12 : 220,581.22 = 36,246.12 : x
  2. Step 2: Convert to fraction form
    147,054.12/220,581.22 = 36,246.12/x
  3. Step 3: Cross multiply
    147,054.12x = 220,581.22 × 36,246.12
  4. Step 4: Simplify right side
    147,054.12x = 7,995,213,369.87
  5. Step 5: Solve for x
    x = 7,995,213,369.87/147,054.12
  6. Step 6: Final answer
    x = 54,369.19

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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.