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Finding the Fourth Proportional to 110,328.40, 165,491.67 and 31,442.86

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Solution

The fourth proportional to 110,328.40, 165,491.67 and 31,442.86 is: 47,164.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,328.40 : 165,491.67 = 31,442.86 : x
  2. Step 2: Convert to fraction form
    110,328.40/165,491.67 = 31,442.86/x
  3. Step 3: Cross multiply
    110,328.40x = 165,491.67 × 31,442.86
  4. Step 4: Simplify right side
    110,328.40x = 5,203,531,410.98
  5. Step 5: Solve for x
    x = 5,203,531,410.98/110,328.40
  6. Step 6: Final answer
    x = 47,164.02

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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.