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Finding the Fourth Proportional to 220,091.66, 330,137.51 and 114,886.02

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Solution

The fourth proportional to 220,091.66, 330,137.51 and 114,886.02 is: 172,329.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,091.66 : 330,137.51 = 114,886.02 : x
  2. Step 2: Convert to fraction form
    220,091.66/330,137.51 = 114,886.02/x
  3. Step 3: Cross multiply
    220,091.66x = 330,137.51 × 114,886.02
  4. Step 4: Simplify right side
    220,091.66x = 37,928,184,576.61
  5. Step 5: Solve for x
    x = 37,928,184,576.61/220,091.66
  6. Step 6: Final answer
    x = 172,329.04

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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.