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Finding the Fourth Proportional to 335,715.71, 503,389.52 and 133,106.56

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Solution

The fourth proportional to 335,715.71, 503,389.52 and 133,106.56 is: 199,586.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,715.71 : 503,389.52 = 133,106.56 : x
  2. Step 2: Convert to fraction form
    335,715.71/503,389.52 = 133,106.56/x
  3. Step 3: Cross multiply
    335,715.71x = 503,389.52 × 133,106.56
  4. Step 4: Simplify right side
    335,715.71x = 67,004,445,922.39
  5. Step 5: Solve for x
    x = 67,004,445,922.39/335,715.71
  6. Step 6: Final answer
    x = 199,586.87

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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.