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Finding the Fourth Proportional to 220,495.29, 330,744.78 and 70,735.83

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Solution

The fourth proportional to 220,495.29, 330,744.78 and 70,735.83 is: 106,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,495.29 : 330,744.78 = 70,735.83 : x
  2. Step 2: Convert to fraction form
    220,495.29/330,744.78 = 70,735.83/x
  3. Step 3: Cross multiply
    220,495.29x = 330,744.78 × 70,735.83
  4. Step 4: Simplify right side
    220,495.29x = 23,395,506,531.47
  5. Step 5: Solve for x
    x = 23,395,506,531.47/220,495.29
  6. Step 6: Final answer
    x = 106,104.34

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1.5x scale

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.