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Finding the Fourth Proportional to 283,750.70, 425,891.72 and 143,607.74

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Solution

The fourth proportional to 283,750.70, 425,891.72 and 143,607.74 is: 215,546.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,750.70 : 425,891.72 = 143,607.74 : x
  2. Step 2: Convert to fraction form
    283,750.70/425,891.72 = 143,607.74/x
  3. Step 3: Cross multiply
    283,750.70x = 425,891.72 × 143,607.74
  4. Step 4: Simplify right side
    283,750.70x = 61,161,345,623.47
  5. Step 5: Solve for x
    x = 61,161,345,623.47/283,750.70
  6. Step 6: Final answer
    x = 215,546.06

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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.