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Finding the Fourth Proportional to 283,718.73, 425,592.72 and 73,358.49

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Solution

The fourth proportional to 283,718.73, 425,592.72 and 73,358.49 is: 110,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,718.73 : 425,592.72 = 73,358.49 : x
  2. Step 2: Convert to fraction form
    283,718.73/425,592.72 = 73,358.49/x
  3. Step 3: Cross multiply
    283,718.73x = 425,592.72 × 73,358.49
  4. Step 4: Simplify right side
    283,718.73x = 31,220,839,294.19
  5. Step 5: Solve for x
    x = 31,220,839,294.19/283,718.73
  6. Step 6: Final answer
    x = 110,041.52

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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.