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Finding the Fourth Proportional to 215,565.74, 297,468.96 and 118,750.64

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Solution

The fourth proportional to 215,565.74, 297,468.96 and 118,750.64 is: 163,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,565.74 : 297,468.96 = 118,750.64 : x
  2. Step 2: Convert to fraction form
    215,565.74/297,468.96 = 118,750.64/x
  3. Step 3: Cross multiply
    215,565.74x = 297,468.96 × 118,750.64
  4. Step 4: Simplify right side
    215,565.74x = 35,324,629,380.13
  5. Step 5: Solve for x
    x = 35,324,629,380.13/215,565.74
  6. Step 6: Final answer
    x = 163,869.40

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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.