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Finding the Fourth Proportional to 216,844.20, 325,169.10 and 98,454.60

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Solution

The fourth proportional to 216,844.20, 325,169.10 and 98,454.60 is: 147,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,844.20 : 325,169.10 = 98,454.60 : x
  2. Step 2: Convert to fraction form
    216,844.20/325,169.10 = 98,454.60/x
  3. Step 3: Cross multiply
    216,844.20x = 325,169.10 × 98,454.60
  4. Step 4: Simplify right side
    216,844.20x = 32,014,393,672.86
  5. Step 5: Solve for x
    x = 32,014,393,672.86/216,844.20
  6. Step 6: Final answer
    x = 147,637.77

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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.