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Finding the Fourth Proportional to 111,583.40, 167,375.10 and 37,711.40

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Solution

The fourth proportional to 111,583.40, 167,375.10 and 37,711.40 is: 56,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,583.40 : 167,375.10 = 37,711.40 : x
  2. Step 2: Convert to fraction form
    111,583.40/167,375.10 = 37,711.40/x
  3. Step 3: Cross multiply
    111,583.40x = 167,375.10 × 37,711.40
  4. Step 4: Simplify right side
    111,583.40x = 6,311,949,346.14
  5. Step 5: Solve for x
    x = 6,311,949,346.14/111,583.40
  6. Step 6: Final answer
    x = 56,567.10

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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.