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Finding the Fourth Proportional to 207,105.89, 285,737.38 and 168,799.64

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Solution

The fourth proportional to 207,105.89, 285,737.38 and 168,799.64 is: 232,887.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,105.89 : 285,737.38 = 168,799.64 : x
  2. Step 2: Convert to fraction form
    207,105.89/285,737.38 = 168,799.64/x
  3. Step 3: Cross multiply
    207,105.89x = 285,737.38 × 168,799.64
  4. Step 4: Simplify right side
    207,105.89x = 48,232,366,878.54
  5. Step 5: Solve for x
    x = 48,232,366,878.54/207,105.89
  6. Step 6: Final answer
    x = 232,887.47

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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.