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Finding the Fourth Proportional to 268,073.10, 401,497.02 and 127,930.14

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Solution

The fourth proportional to 268,073.10, 401,497.02 and 127,930.14 is: 191,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,073.10 : 401,497.02 = 127,930.14 : x
  2. Step 2: Convert to fraction form
    268,073.10/401,497.02 = 127,930.14/x
  3. Step 3: Cross multiply
    268,073.10x = 401,497.02 × 127,930.14
  4. Step 4: Simplify right side
    268,073.10x = 51,363,569,978.18
  5. Step 5: Solve for x
    x = 51,363,569,978.18/268,073.10
  6. Step 6: Final answer
    x = 191,602.85

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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.