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Finding the Fourth Proportional to 234,133.79, 323,105.44 and 126,703.80

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Solution

The fourth proportional to 234,133.79, 323,105.44 and 126,703.80 is: 174,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,133.79 : 323,105.44 = 126,703.80 : x
  2. Step 2: Convert to fraction form
    234,133.79/323,105.44 = 126,703.80/x
  3. Step 3: Cross multiply
    234,133.79x = 323,105.44 × 126,703.80
  4. Step 4: Simplify right side
    234,133.79x = 40,938,686,557.67
  5. Step 5: Solve for x
    x = 40,938,686,557.67/234,133.79
  6. Step 6: Final answer
    x = 174,851.68

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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.