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Finding the Fourth Proportional to 220,358.64, 304,086.36 and 119,754.48

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Solution

The fourth proportional to 220,358.64, 304,086.36 and 119,754.48 is: 165,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,358.64 : 304,086.36 = 119,754.48 : x
  2. Step 2: Convert to fraction form
    220,358.64/304,086.36 = 119,754.48/x
  3. Step 3: Cross multiply
    220,358.64x = 304,086.36 × 119,754.48
  4. Step 4: Simplify right side
    220,358.64x = 36,415,703,916.89
  5. Step 5: Solve for x
    x = 36,415,703,916.89/220,358.64
  6. Step 6: Final answer
    x = 165,256.53

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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.