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Finding the Fourth Proportional to 220,298.19, 330,454.47 and 104,867.65

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Solution

The fourth proportional to 220,298.19, 330,454.47 and 104,867.65 is: 157,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,298.19 : 330,454.47 = 104,867.65 : x
  2. Step 2: Convert to fraction form
    220,298.19/330,454.47 = 104,867.65/x
  3. Step 3: Cross multiply
    220,298.19x = 330,454.47 × 104,867.65
  4. Step 4: Simplify right side
    220,298.19x = 34,653,983,700.90
  5. Step 5: Solve for x
    x = 34,653,983,700.90/220,298.19
  6. Step 6: Final answer
    x = 157,304.90

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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.