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Finding the Fourth Proportional to 268,935.68, 403,274.88 and 156,647.91

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Solution

The fourth proportional to 268,935.68, 403,274.88 and 156,647.91 is: 234,896.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,935.68 : 403,274.88 = 156,647.91 : x
  2. Step 2: Convert to fraction form
    268,935.68/403,274.88 = 156,647.91/x
  3. Step 3: Cross multiply
    268,935.68x = 403,274.88 × 156,647.91
  4. Step 4: Simplify right side
    268,935.68x = 63,172,167,107.50
  5. Step 5: Solve for x
    x = 63,172,167,107.50/268,935.68
  6. Step 6: Final answer
    x = 234,896.94

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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.