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Finding the Fourth Proportional to 283,256.82, 425,148.03 and 143,113.86

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Solution

The fourth proportional to 283,256.82, 425,148.03 and 143,113.86 is: 214,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,256.82 : 425,148.03 = 143,113.86 : x
  2. Step 2: Convert to fraction form
    283,256.82/425,148.03 = 143,113.86/x
  3. Step 3: Cross multiply
    283,256.82x = 425,148.03 × 143,113.86
  4. Step 4: Simplify right side
    283,256.82x = 60,844,575,644.70
  5. Step 5: Solve for x
    x = 60,844,575,644.70/283,256.82
  6. Step 6: Final answer
    x = 214,803.57

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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.