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Finding the Fourth Proportional to 220,097.12, 330,258.28 and 104,822.13

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Solution

The fourth proportional to 220,097.12, 330,258.28 and 104,822.13 is: 157,286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,097.12 : 330,258.28 = 104,822.13 : x
  2. Step 2: Convert to fraction form
    220,097.12/330,258.28 = 104,822.13/x
  3. Step 3: Cross multiply
    220,097.12x = 330,258.28 × 104,822.13
  4. Step 4: Simplify right side
    220,097.12x = 34,618,376,359.74
  5. Step 5: Solve for x
    x = 34,618,376,359.74/220,097.12
  6. Step 6: Final answer
    x = 157,286.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.