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Finding the Fourth Proportional to 203,807.43, 304,338.71 and 166,441.62

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Solution

The fourth proportional to 203,807.43, 304,338.71 and 166,441.62 is: 248,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,807.43 : 304,338.71 = 166,441.62 : x
  2. Step 2: Convert to fraction form
    203,807.43/304,338.71 = 166,441.62/x
  3. Step 3: Cross multiply
    203,807.43x = 304,338.71 × 166,441.62
  4. Step 4: Simplify right side
    203,807.43x = 50,654,627,088.90
  5. Step 5: Solve for x
    x = 50,654,627,088.90/203,807.43
  6. Step 6: Final answer
    x = 248,541.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.