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Finding the Fourth Proportional to 267,158.40, 400,101.54 and 154,601.34

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Solution

The fourth proportional to 267,158.40, 400,101.54 and 154,601.34 is: 231,533.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,158.40 : 400,101.54 = 154,601.34 : x
  2. Step 2: Convert to fraction form
    267,158.40/400,101.54 = 154,601.34/x
  3. Step 3: Cross multiply
    267,158.40x = 400,101.54 × 154,601.34
  4. Step 4: Simplify right side
    267,158.40x = 61,856,234,220.06
  5. Step 5: Solve for x
    x = 61,856,234,220.06/267,158.40
  6. Step 6: Final answer
    x = 231,533.93

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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.