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Finding the Fourth Proportional to 191,744.13, 287,589.57 and 101,747.46

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Solution

The fourth proportional to 191,744.13, 287,589.57 and 101,747.46 is: 152,607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,744.13 : 287,589.57 = 101,747.46 : x
  2. Step 2: Convert to fraction form
    191,744.13/287,589.57 = 101,747.46/x
  3. Step 3: Cross multiply
    191,744.13x = 287,589.57 × 101,747.46
  4. Step 4: Simplify right side
    191,744.13x = 29,261,508,269.99
  5. Step 5: Solve for x
    x = 29,261,508,269.99/191,744.13
  6. Step 6: Final answer
    x = 152,607.06

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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.