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Finding the Fourth Proportional to 250,333.13, 375,537.36 and 72,816.77

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Solution

The fourth proportional to 250,333.13, 375,537.36 and 72,816.77 is: 109,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,333.13 : 375,537.36 = 72,816.77 : x
  2. Step 2: Convert to fraction form
    250,333.13/375,537.36 = 72,816.77/x
  3. Step 3: Cross multiply
    250,333.13x = 375,537.36 × 72,816.77
  4. Step 4: Simplify right side
    250,333.13x = 27,345,418,781.43
  5. Step 5: Solve for x
    x = 27,345,418,781.43/250,333.13
  6. Step 6: Final answer
    x = 109,236.11

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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.