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Finding the Fourth Proportional to 178,099.99, 267,248.36 and 99,258.64

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Solution

The fourth proportional to 178,099.99, 267,248.36 and 99,258.64 is: 148,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,099.99 : 267,248.36 = 99,258.64 : x
  2. Step 2: Convert to fraction form
    178,099.99/267,248.36 = 99,258.64/x
  3. Step 3: Cross multiply
    178,099.99x = 267,248.36 × 99,258.64
  4. Step 4: Simplify right side
    178,099.99x = 26,526,708,259.54
  5. Step 5: Solve for x
    x = 26,526,708,259.54/178,099.99
  6. Step 6: Final answer
    x = 148,942.78

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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.