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Finding the Fourth Proportional to 174,879.72, 241,328.75 and 98,403.03

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Solution

The fourth proportional to 174,879.72, 241,328.75 and 98,403.03 is: 135,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,879.72 : 241,328.75 = 98,403.03 : x
  2. Step 2: Convert to fraction form
    174,879.72/241,328.75 = 98,403.03/x
  3. Step 3: Cross multiply
    174,879.72x = 241,328.75 × 98,403.03
  4. Step 4: Simplify right side
    174,879.72x = 23,747,479,734.10
  5. Step 5: Solve for x
    x = 23,747,479,734.10/174,879.72
  6. Step 6: Final answer
    x = 135,793.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.