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Finding the Fourth Proportional to 162,987.78, 244,576.98 and 68,210.04

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Solution

The fourth proportional to 162,987.78, 244,576.98 and 68,210.04 is: 102,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,987.78 : 244,576.98 = 68,210.04 : x
  2. Step 2: Convert to fraction form
    162,987.78/244,576.98 = 68,210.04/x
  3. Step 3: Cross multiply
    162,987.78x = 244,576.98 × 68,210.04
  4. Step 4: Simplify right side
    162,987.78x = 16,682,605,588.88
  5. Step 5: Solve for x
    x = 16,682,605,588.88/162,987.78
  6. Step 6: Final answer
    x = 102,354.95

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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.