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Finding the Fourth Proportional to 165,551.89, 228,469.10 and 97,571.72

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Solution

The fourth proportional to 165,551.89, 228,469.10 and 97,571.72 is: 134,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,551.89 : 228,469.10 = 97,571.72 : x
  2. Step 2: Convert to fraction form
    165,551.89/228,469.10 = 97,571.72/x
  3. Step 3: Cross multiply
    165,551.89x = 228,469.10 × 97,571.72
  4. Step 4: Simplify right side
    165,551.89x = 22,292,123,053.85
  5. Step 5: Solve for x
    x = 22,292,123,053.85/165,551.89
  6. Step 6: Final answer
    x = 134,653.39

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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.