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Finding the Fourth Proportional to 234,343.68, 323,392.53 and 126,911.22

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Solution

The fourth proportional to 234,343.68, 323,392.53 and 126,911.22 is: 175,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,343.68 : 323,392.53 = 126,911.22 : x
  2. Step 2: Convert to fraction form
    234,343.68/323,392.53 = 126,911.22/x
  3. Step 3: Cross multiply
    234,343.68x = 323,392.53 × 126,911.22
  4. Step 4: Simplify right side
    234,343.68x = 41,042,140,521.19
  5. Step 5: Solve for x
    x = 41,042,140,521.19/234,343.68
  6. Step 6: Final answer
    x = 175,136.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.