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Finding the Fourth Proportional to 111,333.40, 167,000.10 and 73,935.70

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Solution

The fourth proportional to 111,333.40, 167,000.10 and 73,935.70 is: 110,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,333.40 : 167,000.10 = 73,935.70 : x
  2. Step 2: Convert to fraction form
    111,333.40/167,000.10 = 73,935.70/x
  3. Step 3: Cross multiply
    111,333.40x = 167,000.10 × 73,935.70
  4. Step 4: Simplify right side
    111,333.40x = 12,347,269,293.57
  5. Step 5: Solve for x
    x = 12,347,269,293.57/111,333.40
  6. Step 6: Final answer
    x = 110,903.55

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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.