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Finding the Fourth Proportional to 171,173.52, 236,284.29 and 153,236.34

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Solution

The fourth proportional to 171,173.52, 236,284.29 and 153,236.34 is: 211,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,173.52 : 236,284.29 = 153,236.34 : x
  2. Step 2: Convert to fraction form
    171,173.52/236,284.29 = 153,236.34/x
  3. Step 3: Cross multiply
    171,173.52x = 236,284.29 × 153,236.34
  4. Step 4: Simplify right side
    171,173.52x = 36,207,339,799.10
  5. Step 5: Solve for x
    x = 36,207,339,799.10/171,173.52
  6. Step 6: Final answer
    x = 211,524.19

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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.