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Finding the Fourth Proportional to 110,506.73, 165,758.87 and 66,145.86

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Solution

The fourth proportional to 110,506.73, 165,758.87 and 66,145.86 is: 99,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,506.73 : 165,758.87 = 66,145.86 : x
  2. Step 2: Convert to fraction form
    110,506.73/165,758.87 = 66,145.86/x
  3. Step 3: Cross multiply
    110,506.73x = 165,758.87 × 66,145.86
  4. Step 4: Simplify right side
    110,506.73x = 10,964,262,678.05
  5. Step 5: Solve for x
    x = 10,964,262,678.05/110,506.73
  6. Step 6: Final answer
    x = 99,218.06

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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.