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Finding the Fourth Proportional to 178,199.44, 267,266.86 and 71,579.10

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Solution

The fourth proportional to 178,199.44, 267,266.86 and 71,579.10 is: 107,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,199.44 : 267,266.86 = 71,579.10 : x
  2. Step 2: Convert to fraction form
    178,199.44/267,266.86 = 71,579.10/x
  3. Step 3: Cross multiply
    178,199.44x = 267,266.86 × 71,579.10
  4. Step 4: Simplify right side
    178,199.44x = 19,130,721,298.63
  5. Step 5: Solve for x
    x = 19,130,721,298.63/178,199.44
  6. Step 6: Final answer
    x = 107,355.68

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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.