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Finding the Fourth Proportional to 215,083.85, 296,813.91 and 119,589.71

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Solution

The fourth proportional to 215,083.85, 296,813.91 and 119,589.71 is: 165,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,083.85 : 296,813.91 = 119,589.71 : x
  2. Step 2: Convert to fraction form
    215,083.85/296,813.91 = 119,589.71/x
  3. Step 3: Cross multiply
    215,083.85x = 296,813.91 × 119,589.71
  4. Step 4: Simplify right side
    215,083.85x = 35,495,887,936.80
  5. Step 5: Solve for x
    x = 35,495,887,936.80/215,083.85
  6. Step 6: Final answer
    x = 165,032.79

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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.