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Finding the Fourth Proportional to 262,516.91, 393,857.08 and 94,038.68

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Solution

The fourth proportional to 262,516.91, 393,857.08 and 94,038.68 is: 141,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,516.91 : 393,857.08 = 94,038.68 : x
  2. Step 2: Convert to fraction form
    262,516.91/393,857.08 = 94,038.68/x
  3. Step 3: Cross multiply
    262,516.91x = 393,857.08 × 94,038.68
  4. Step 4: Simplify right side
    262,516.91x = 37,037,801,190.37
  5. Step 5: Solve for x
    x = 37,037,801,190.37/262,516.91
  6. Step 6: Final answer
    x = 141,087.30

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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.