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Finding the Fourth Proportional to 212,264.28, 292,919.92 and 116,768.88

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Solution

The fourth proportional to 212,264.28, 292,919.92 and 116,768.88 is: 161,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,264.28 : 292,919.92 = 116,768.88 : x
  2. Step 2: Convert to fraction form
    212,264.28/292,919.92 = 116,768.88/x
  3. Step 3: Cross multiply
    212,264.28x = 292,919.92 × 116,768.88
  4. Step 4: Simplify right side
    212,264.28x = 34,203,930,988.09
  5. Step 5: Solve for x
    x = 34,203,930,988.09/212,264.28
  6. Step 6: Final answer
    x = 161,138.42

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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.