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Finding the Fourth Proportional to 111,544.36, 167,031.32 and 61,568.98

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Solution

The fourth proportional to 111,544.36, 167,031.32 and 61,568.98 is: 92,196.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,544.36 : 167,031.32 = 61,568.98 : x
  2. Step 2: Convert to fraction form
    111,544.36/167,031.32 = 61,568.98/x
  3. Step 3: Cross multiply
    111,544.36x = 167,031.32 × 61,568.98
  4. Step 4: Simplify right side
    111,544.36x = 10,283,947,275.03
  5. Step 5: Solve for x
    x = 10,283,947,275.03/111,544.36
  6. Step 6: Final answer
    x = 92,196.03

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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.