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Finding the Fourth Proportional to 104,331.60, 156,324.60 and 88,779.60

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Solution

The fourth proportional to 104,331.60, 156,324.60 and 88,779.60 is: 133,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,331.60 : 156,324.60 = 88,779.60 : x
  2. Step 2: Convert to fraction form
    104,331.60/156,324.60 = 88,779.60/x
  3. Step 3: Cross multiply
    104,331.60x = 156,324.60 × 88,779.60
  4. Step 4: Simplify right side
    104,331.60x = 13,878,435,458.16
  5. Step 5: Solve for x
    x = 13,878,435,458.16/104,331.60
  6. Step 6: Final answer
    x = 133,022.36

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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.