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Finding the Fourth Proportional to 234,270.77, 323,292.20 and 126,840.47

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Solution

The fourth proportional to 234,270.77, 323,292.20 and 126,840.47 is: 175,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,270.77 : 323,292.20 = 126,840.47 : x
  2. Step 2: Convert to fraction form
    234,270.77/323,292.20 = 126,840.47/x
  3. Step 3: Cross multiply
    234,270.77x = 323,292.20 × 126,840.47
  4. Step 4: Simplify right side
    234,270.77x = 41,006,532,344.67
  5. Step 5: Solve for x
    x = 41,006,532,344.67/234,270.77
  6. Step 6: Final answer
    x = 175,039.05

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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.