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Finding the Fourth Proportional to 178,496.36, 267,380.03 and 99,652.58

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Solution

The fourth proportional to 178,496.36, 267,380.03 and 99,652.58 is: 149,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,496.36 : 267,380.03 = 99,652.58 : x
  2. Step 2: Convert to fraction form
    178,496.36/267,380.03 = 99,652.58/x
  3. Step 3: Cross multiply
    178,496.36x = 267,380.03 × 99,652.58
  4. Step 4: Simplify right side
    178,496.36x = 26,645,108,493.08
  5. Step 5: Solve for x
    x = 26,645,108,493.08/178,496.36
  6. Step 6: Final answer
    x = 149,275.36

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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.