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Finding the Fourth Proportional to 111,186.32, 166,788.66 and 36,304.80

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Solution

The fourth proportional to 111,186.32, 166,788.66 and 36,304.80 is: 54,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,186.32 : 166,788.66 = 36,304.80 : x
  2. Step 2: Convert to fraction form
    111,186.32/166,788.66 = 36,304.80/x
  3. Step 3: Cross multiply
    111,186.32x = 166,788.66 × 36,304.80
  4. Step 4: Simplify right side
    111,186.32x = 6,055,228,943.57
  5. Step 5: Solve for x
    x = 6,055,228,943.57/111,186.32
  6. Step 6: Final answer
    x = 54,460.20

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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.