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Finding the Fourth Proportional to 178,549.98, 267,900.11 and 111,138.40

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Solution

The fourth proportional to 178,549.98, 267,900.11 and 111,138.40 is: 166,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,549.98 : 267,900.11 = 111,138.40 : x
  2. Step 2: Convert to fraction form
    178,549.98/267,900.11 = 111,138.40/x
  3. Step 3: Cross multiply
    178,549.98x = 267,900.11 × 111,138.40
  4. Step 4: Simplify right side
    178,549.98x = 29,773,989,585.22
  5. Step 5: Solve for x
    x = 29,773,989,585.22/178,549.98
  6. Step 6: Final answer
    x = 166,754.37

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1.5x scale

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.