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Finding the Fourth Proportional to 110,297.58, 165,464.83 and 86,604.17

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Solution

The fourth proportional to 110,297.58, 165,464.83 and 86,604.17 is: 129,920.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,297.58 : 165,464.83 = 86,604.17 : x
  2. Step 2: Convert to fraction form
    110,297.58/165,464.83 = 86,604.17/x
  3. Step 3: Cross multiply
    110,297.58x = 165,464.83 × 86,604.17
  4. Step 4: Simplify right side
    110,297.58x = 14,329,944,266.34
  5. Step 5: Solve for x
    x = 14,329,944,266.34/110,297.58
  6. Step 6: Final answer
    x = 129,920.75

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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.