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Finding the Fourth Proportional to 220,761.04, 330,911.04 and 102,334.72

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Solution

The fourth proportional to 220,761.04, 330,911.04 and 102,334.72 is: 153,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,761.04 : 330,911.04 = 102,334.72 : x
  2. Step 2: Convert to fraction form
    220,761.04/330,911.04 = 102,334.72/x
  3. Step 3: Cross multiply
    220,761.04x = 330,911.04 × 102,334.72
  4. Step 4: Simplify right side
    220,761.04x = 33,863,688,623.31
  5. Step 5: Solve for x
    x = 33,863,688,623.31/220,761.04
  6. Step 6: Final answer
    x = 153,395.22

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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.