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Finding the Fourth Proportional to 234,776.56, 323,988.60 and 127,343.56

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Solution

The fourth proportional to 234,776.56, 323,988.60 and 127,343.56 is: 175,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,776.56 : 323,988.60 = 127,343.56 : x
  2. Step 2: Convert to fraction form
    234,776.56/323,988.60 = 127,343.56/x
  3. Step 3: Cross multiply
    234,776.56x = 323,988.60 × 127,343.56
  4. Step 4: Simplify right side
    234,776.56x = 41,257,861,723.42
  5. Step 5: Solve for x
    x = 41,257,861,723.42/234,776.56
  6. Step 6: Final answer
    x = 175,732.46

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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.