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Finding the Fourth Proportional to 220,688.32, 330,835.60 and 183,553.04

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Solution

The fourth proportional to 220,688.32, 330,835.60 and 183,553.04 is: 275,165.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,688.32 : 330,835.60 = 183,553.04 : x
  2. Step 2: Convert to fraction form
    220,688.32/330,835.60 = 183,553.04/x
  3. Step 3: Cross multiply
    220,688.32x = 330,835.60 × 183,553.04
  4. Step 4: Simplify right side
    220,688.32x = 60,725,880,120.22
  5. Step 5: Solve for x
    x = 60,725,880,120.22/220,688.32
  6. Step 6: Final answer
    x = 275,165.81

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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.