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Finding the Fourth Proportional to 250,633.98, 375,944.73 and 73,142.53

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Solution

The fourth proportional to 250,633.98, 375,944.73 and 73,142.53 is: 109,711.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,633.98 : 375,944.73 = 73,142.53 : x
  2. Step 2: Convert to fraction form
    250,633.98/375,944.73 = 73,142.53/x
  3. Step 3: Cross multiply
    250,633.98x = 375,944.73 × 73,142.53
  4. Step 4: Simplify right side
    250,633.98x = 27,497,547,478.22
  5. Step 5: Solve for x
    x = 27,497,547,478.22/250,633.98
  6. Step 6: Final answer
    x = 109,711.97

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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.