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Finding the Fourth Proportional to 220,356.64, 304,083.60 and 119,752.48

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Solution

The fourth proportional to 220,356.64, 304,083.60 and 119,752.48 is: 165,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,356.64 : 304,083.60 = 119,752.48 : x
  2. Step 2: Convert to fraction form
    220,356.64/304,083.60 = 119,752.48/x
  3. Step 3: Cross multiply
    220,356.64x = 304,083.60 × 119,752.48
  4. Step 4: Simplify right side
    220,356.64x = 36,414,765,227.33
  5. Step 5: Solve for x
    x = 36,414,765,227.33/220,356.64
  6. Step 6: Final answer
    x = 165,253.77

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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.