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Finding the Fourth Proportional to 324,810.86, 487,216.53 and 88,153.53

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Solution

The fourth proportional to 324,810.86, 487,216.53 and 88,153.53 is: 132,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,810.86 : 487,216.53 = 88,153.53 : x
  2. Step 2: Convert to fraction form
    324,810.86/487,216.53 = 88,153.53/x
  3. Step 3: Cross multiply
    324,810.86x = 487,216.53 × 88,153.53
  4. Step 4: Simplify right side
    324,810.86x = 42,949,856,993.85
  5. Step 5: Solve for x
    x = 42,949,856,993.85/324,810.86
  6. Step 6: Final answer
    x = 132,230.36

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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.