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Finding the Fourth Proportional to 162,798.30, 244,003.05 and 68,028.30

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Solution

The fourth proportional to 162,798.30, 244,003.05 and 68,028.30 is: 101,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,798.30 : 244,003.05 = 68,028.30 : x
  2. Step 2: Convert to fraction form
    162,798.30/244,003.05 = 68,028.30/x
  3. Step 3: Cross multiply
    162,798.30x = 244,003.05 × 68,028.30
  4. Step 4: Simplify right side
    162,798.30x = 16,599,112,686.32
  5. Step 5: Solve for x
    x = 16,599,112,686.32/162,798.30
  6. Step 6: Final answer
    x = 101,961.22

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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.