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Finding the Fourth Proportional to 504,081.92, 756,270.51 and 149,105.40

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Solution

The fourth proportional to 504,081.92, 756,270.51 and 149,105.40 is: 223,701.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,081.92 : 756,270.51 = 149,105.40 : x
  2. Step 2: Convert to fraction form
    504,081.92/756,270.51 = 149,105.40/x
  3. Step 3: Cross multiply
    504,081.92x = 756,270.51 × 149,105.40
  4. Step 4: Simplify right side
    504,081.92x = 112,764,016,901.75
  5. Step 5: Solve for x
    x = 112,764,016,901.75/504,081.92
  6. Step 6: Final answer
    x = 223,701.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.