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Finding the Fourth Proportional to 234,919.94, 324,191.90 and 127,490.90

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Solution

The fourth proportional to 234,919.94, 324,191.90 and 127,490.90 is: 175,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,919.94 : 324,191.90 = 127,490.90 : x
  2. Step 2: Convert to fraction form
    234,919.94/324,191.90 = 127,490.90/x
  3. Step 3: Cross multiply
    234,919.94x = 324,191.90 × 127,490.90
  4. Step 4: Simplify right side
    234,919.94x = 41,331,517,103.71
  5. Step 5: Solve for x
    x = 41,331,517,103.71/234,919.94
  6. Step 6: Final answer
    x = 175,938.74

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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.