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Finding the Fourth Proportional to 220,597.29, 330,888.92 and 131,252.13

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Solution

The fourth proportional to 220,597.29, 330,888.92 and 131,252.13 is: 196,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,597.29 : 330,888.92 = 131,252.13 : x
  2. Step 2: Convert to fraction form
    220,597.29/330,888.92 = 131,252.13/x
  3. Step 3: Cross multiply
    220,597.29x = 330,888.92 × 131,252.13
  4. Step 4: Simplify right side
    220,597.29x = 43,429,874,887.14
  5. Step 5: Solve for x
    x = 43,429,874,887.14/220,597.29
  6. Step 6: Final answer
    x = 196,874.02

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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.