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Finding the Fourth Proportional to 215,468.97, 297,344.37 and 118,670.97

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Solution

The fourth proportional to 215,468.97, 297,344.37 and 118,670.97 is: 163,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,468.97 : 297,344.37 = 118,670.97 : x
  2. Step 2: Convert to fraction form
    215,468.97/297,344.37 = 118,670.97/x
  3. Step 3: Cross multiply
    215,468.97x = 297,344.37 × 118,670.97
  4. Step 4: Simplify right side
    215,468.97x = 35,286,146,372.00
  5. Step 5: Solve for x
    x = 35,286,146,372.00/215,468.97
  6. Step 6: Final answer
    x = 163,764.40

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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.