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Finding the Fourth Proportional to 111,018.60, 166,552.20 and 54,885.60

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Solution

The fourth proportional to 111,018.60, 166,552.20 and 54,885.60 is: 82,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,018.60 : 166,552.20 = 54,885.60 : x
  2. Step 2: Convert to fraction form
    111,018.60/166,552.20 = 54,885.60/x
  3. Step 3: Cross multiply
    111,018.60x = 166,552.20 × 54,885.60
  4. Step 4: Simplify right side
    111,018.60x = 9,141,317,428.32
  5. Step 5: Solve for x
    x = 9,141,317,428.32/111,018.60
  6. Step 6: Final answer
    x = 82,340.41

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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.