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Finding the Fourth Proportional to 188,883.76, 281,943.69 and 166,464.28

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Solution

The fourth proportional to 188,883.76, 281,943.69 and 166,464.28 is: 248,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,883.76 : 281,943.69 = 166,464.28 : x
  2. Step 2: Convert to fraction form
    188,883.76/281,943.69 = 166,464.28/x
  3. Step 3: Cross multiply
    188,883.76x = 281,943.69 × 166,464.28
  4. Step 4: Simplify right side
    188,883.76x = 46,933,553,356.39
  5. Step 5: Solve for x
    x = 46,933,553,356.39/188,883.76
  6. Step 6: Final answer
    x = 248,478.50

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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.