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Finding the Fourth Proportional to 220,101.30, 330,151.95 and 102,003.30

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Solution

The fourth proportional to 220,101.30, 330,151.95 and 102,003.30 is: 153,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,101.30 : 330,151.95 = 102,003.30 : x
  2. Step 2: Convert to fraction form
    220,101.30/330,151.95 = 102,003.30/x
  3. Step 3: Cross multiply
    220,101.30x = 330,151.95 × 102,003.30
  4. Step 4: Simplify right side
    220,101.30x = 33,676,588,401.44
  5. Step 5: Solve for x
    x = 33,676,588,401.44/220,101.30
  6. Step 6: Final answer
    x = 153,004.95

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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.