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Finding the Fourth Proportional to 178,295.46, 267,096.51 and 99,169.80

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Solution

The fourth proportional to 178,295.46, 267,096.51 and 99,169.80 is: 148,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,295.46 : 267,096.51 = 99,169.80 : x
  2. Step 2: Convert to fraction form
    178,295.46/267,096.51 = 99,169.80/x
  3. Step 3: Cross multiply
    178,295.46x = 267,096.51 × 99,169.80
  4. Step 4: Simplify right side
    178,295.46x = 26,487,907,477.40
  5. Step 5: Solve for x
    x = 26,487,907,477.40/178,295.46
  6. Step 6: Final answer
    x = 148,561.87

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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.