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Finding the Fourth Proportional to 220,359.64, 304,087.74 and 119,755.48

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Solution

The fourth proportional to 220,359.64, 304,087.74 and 119,755.48 is: 165,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,359.64 : 304,087.74 = 119,755.48 : x
  2. Step 2: Convert to fraction form
    220,359.64/304,087.74 = 119,755.48/x
  3. Step 3: Cross multiply
    220,359.64x = 304,087.74 × 119,755.48
  4. Step 4: Simplify right side
    220,359.64x = 36,416,173,265.82
  5. Step 5: Solve for x
    x = 36,416,173,265.82/220,359.64
  6. Step 6: Final answer
    x = 165,257.91

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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.