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Finding the Fourth Proportional to 111,019.60, 166,553.70 and 54,886.60

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Solution

The fourth proportional to 111,019.60, 166,553.70 and 54,886.60 is: 82,341.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,019.60 : 166,553.70 = 54,886.60 : x
  2. Step 2: Convert to fraction form
    111,019.60/166,553.70 = 54,886.60/x
  3. Step 3: Cross multiply
    111,019.60x = 166,553.70 × 54,886.60
  4. Step 4: Simplify right side
    111,019.60x = 9,141,566,310.42
  5. Step 5: Solve for x
    x = 9,141,566,310.42/111,019.60
  6. Step 6: Final answer
    x = 82,341.91

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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.