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Finding the Fourth Proportional to 157,466.88, 217,304.37 and 85,845.42

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Solution

The fourth proportional to 157,466.88, 217,304.37 and 85,845.42 is: 118,466.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,466.88 : 217,304.37 = 85,845.42 : x
  2. Step 2: Convert to fraction form
    157,466.88/217,304.37 = 85,845.42/x
  3. Step 3: Cross multiply
    157,466.88x = 217,304.37 × 85,845.42
  4. Step 4: Simplify right side
    157,466.88x = 18,654,584,910.49
  5. Step 5: Solve for x
    x = 18,654,584,910.49/157,466.88
  6. Step 6: Final answer
    x = 118,466.72

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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.