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Finding the Fourth Proportional to 119,745.35, 165,249.74 and 66,032.27

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Solution

The fourth proportional to 119,745.35, 165,249.74 and 66,032.27 is: 91,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,745.35 : 165,249.74 = 66,032.27 : x
  2. Step 2: Convert to fraction form
    119,745.35/165,249.74 = 66,032.27/x
  3. Step 3: Cross multiply
    119,745.35x = 165,249.74 × 66,032.27
  4. Step 4: Simplify right side
    119,745.35x = 10,911,815,449.11
  5. Step 5: Solve for x
    x = 10,911,815,449.11/119,745.35
  6. Step 6: Final answer
    x = 91,125.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.