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Finding the Fourth Proportional to 323,137.08, 484,779.33 and 98,517.60

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Solution

The fourth proportional to 323,137.08, 484,779.33 and 98,517.60 is: 147,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,137.08 : 484,779.33 = 98,517.60 : x
  2. Step 2: Convert to fraction form
    323,137.08/484,779.33 = 98,517.60/x
  3. Step 3: Cross multiply
    323,137.08x = 484,779.33 × 98,517.60
  4. Step 4: Simplify right side
    323,137.08x = 47,759,296,121.21
  5. Step 5: Solve for x
    x = 47,759,296,121.21/323,137.08
  6. Step 6: Final answer
    x = 147,798.87

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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.