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Finding the Fourth Proportional to 267,586.55, 368,966.76 and 170,660.76

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Solution

The fourth proportional to 267,586.55, 368,966.76 and 170,660.76 is: 235,318.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,586.55 : 368,966.76 = 170,660.76 : x
  2. Step 2: Convert to fraction form
    267,586.55/368,966.76 = 170,660.76/x
  3. Step 3: Cross multiply
    267,586.55x = 368,966.76 × 170,660.76
  4. Step 4: Simplify right side
    267,586.55x = 62,968,147,676.34
  5. Step 5: Solve for x
    x = 62,968,147,676.34/267,586.55
  6. Step 6: Final answer
    x = 235,318.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.