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Finding the Fourth Proportional to 101,483.12, 152,108.04 and 68,162.96

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Solution

The fourth proportional to 101,483.12, 152,108.04 and 68,162.96 is: 102,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,483.12 : 152,108.04 = 68,162.96 : x
  2. Step 2: Convert to fraction form
    101,483.12/152,108.04 = 68,162.96/x
  3. Step 3: Cross multiply
    101,483.12x = 152,108.04 × 68,162.96
  4. Step 4: Simplify right side
    101,483.12x = 10,368,134,246.20
  5. Step 5: Solve for x
    x = 10,368,134,246.20/101,483.12
  6. Step 6: Final answer
    x = 102,166.10

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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.