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Finding the Fourth Proportional to 215,373.96, 297,216.03 and 119,878.59

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Solution

The fourth proportional to 215,373.96, 297,216.03 and 119,878.59 is: 165,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,373.96 : 297,216.03 = 119,878.59 : x
  2. Step 2: Convert to fraction form
    215,373.96/297,216.03 = 119,878.59/x
  3. Step 3: Cross multiply
    215,373.96x = 297,216.03 × 119,878.59
  4. Step 4: Simplify right side
    215,373.96x = 35,629,838,601.80
  5. Step 5: Solve for x
    x = 35,629,838,601.80/215,373.96
  6. Step 6: Final answer
    x = 165,432.43

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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.