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Finding the Fourth Proportional to 283,464.89, 425,192.13 and 70,233.28

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Solution

The fourth proportional to 283,464.89, 425,192.13 and 70,233.28 is: 105,348.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,464.89 : 425,192.13 = 70,233.28 : x
  2. Step 2: Convert to fraction form
    283,464.89/425,192.13 = 70,233.28/x
  3. Step 3: Cross multiply
    283,464.89x = 425,192.13 × 70,233.28
  4. Step 4: Simplify right side
    283,464.89x = 29,862,636,857.11
  5. Step 5: Solve for x
    x = 29,862,636,857.11/283,464.89
  6. Step 6: Final answer
    x = 105,348.63

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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.