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Finding the Fourth Proportional to 283,335.70, 425,003.55 and 96,347.20

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Solution

The fourth proportional to 283,335.70, 425,003.55 and 96,347.20 is: 144,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,335.70 : 425,003.55 = 96,347.20 : x
  2. Step 2: Convert to fraction form
    283,335.70/425,003.55 = 96,347.20/x
  3. Step 3: Cross multiply
    283,335.70x = 425,003.55 × 96,347.20
  4. Step 4: Simplify right side
    283,335.70x = 40,947,902,032.56
  5. Step 5: Solve for x
    x = 40,947,902,032.56/283,335.70
  6. Step 6: Final answer
    x = 144,520.80

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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.