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Finding the Fourth Proportional to 324,702.02, 487,101.44 and 100,043.66

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Solution

The fourth proportional to 324,702.02, 487,101.44 and 100,043.66 is: 150,080.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,702.02 : 487,101.44 = 100,043.66 : x
  2. Step 2: Convert to fraction form
    324,702.02/487,101.44 = 100,043.66/x
  3. Step 3: Cross multiply
    324,702.02x = 487,101.44 × 100,043.66
  4. Step 4: Simplify right side
    324,702.02x = 48,731,412,316.73
  5. Step 5: Solve for x
    x = 48,731,412,316.73/324,702.02
  6. Step 6: Final answer
    x = 150,080.41

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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.