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Finding the Fourth Proportional to 283,570.91, 425,552.81 and 112,775.12

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Solution

The fourth proportional to 283,570.91, 425,552.81 and 112,775.12 is: 169,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,570.91 : 425,552.81 = 112,775.12 : x
  2. Step 2: Convert to fraction form
    283,570.91/425,552.81 = 112,775.12/x
  3. Step 3: Cross multiply
    283,570.91x = 425,552.81 × 112,775.12
  4. Step 4: Simplify right side
    283,570.91x = 47,991,766,522.45
  5. Step 5: Solve for x
    x = 47,991,766,522.45/283,570.91
  6. Step 6: Final answer
    x = 169,240.80

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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.