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Finding the Fourth Proportional to 250,333.88, 375,538.49 and 72,817.52

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Solution

The fourth proportional to 250,333.88, 375,538.49 and 72,817.52 is: 109,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,333.88 : 375,538.49 = 72,817.52 : x
  2. Step 2: Convert to fraction form
    250,333.88/375,538.49 = 72,817.52/x
  3. Step 3: Cross multiply
    250,333.88x = 375,538.49 × 72,817.52
  4. Step 4: Simplify right side
    250,333.88x = 27,345,782,354.17
  5. Step 5: Solve for x
    x = 27,345,782,354.17/250,333.88
  6. Step 6: Final answer
    x = 109,237.24

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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.