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Finding the Fourth Proportional to 110,899.72, 166,461.72 and 98,329.96

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Solution

The fourth proportional to 110,899.72, 166,461.72 and 98,329.96 is: 147,594.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,899.72 : 166,461.72 = 98,329.96 : x
  2. Step 2: Convert to fraction form
    110,899.72/166,461.72 = 98,329.96/x
  3. Step 3: Cross multiply
    110,899.72x = 166,461.72 × 98,329.96
  4. Step 4: Simplify right side
    110,899.72x = 16,368,174,269.13
  5. Step 5: Solve for x
    x = 16,368,174,269.13/110,899.72
  6. Step 6: Final answer
    x = 147,594.37

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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.