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Finding the Fourth Proportional to 233,099.49, 321,667.95 and 131,126.97

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Solution

The fourth proportional to 233,099.49, 321,667.95 and 131,126.97 is: 180,949.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,099.49 : 321,667.95 = 131,126.97 : x
  2. Step 2: Convert to fraction form
    233,099.49/321,667.95 = 131,126.97/x
  3. Step 3: Cross multiply
    233,099.49x = 321,667.95 × 131,126.97
  4. Step 4: Simplify right side
    233,099.49x = 42,179,343,629.61
  5. Step 5: Solve for x
    x = 42,179,343,629.61/233,099.49
  6. Step 6: Final answer
    x = 180,949.96

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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.