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Finding the Fourth Proportional to 169,745.12, 234,252.20 and 93,269

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Solution

The fourth proportional to 169,745.12, 234,252.20 and 93,269 is: 128,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,745.12 : 234,252.20 = 93,269 : x
  2. Step 2: Convert to fraction form
    169,745.12/234,252.20 = 93,269/x
  3. Step 3: Cross multiply
    169,745.12x = 234,252.20 × 93,269
  4. Step 4: Simplify right side
    169,745.12x = 21,848,468,441.80
  5. Step 5: Solve for x
    x = 21,848,468,441.80/169,745.12
  6. Step 6: Final answer
    x = 128,713.38

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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.