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Finding the Fourth Proportional to 220,901.04, 330,853.08 and 102,323.28

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Solution

The fourth proportional to 220,901.04, 330,853.08 and 102,323.28 is: 153,254.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,901.04 : 330,853.08 = 102,323.28 : x
  2. Step 2: Convert to fraction form
    220,901.04/330,853.08 = 102,323.28/x
  3. Step 3: Cross multiply
    220,901.04x = 330,853.08 × 102,323.28
  4. Step 4: Simplify right side
    220,901.04x = 33,853,972,343.70
  5. Step 5: Solve for x
    x = 33,853,972,343.70/220,901.04
  6. Step 6: Final answer
    x = 153,254.02

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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.