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Finding the Fourth Proportional to 152,576.87, 210,555.07 and 84,593.86

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Solution

The fourth proportional to 152,576.87, 210,555.07 and 84,593.86 is: 116,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,576.87 : 210,555.07 = 84,593.86 : x
  2. Step 2: Convert to fraction form
    152,576.87/210,555.07 = 84,593.86/x
  3. Step 3: Cross multiply
    152,576.87x = 210,555.07 × 84,593.86
  4. Step 4: Simplify right side
    152,576.87x = 17,811,665,376.00
  5. Step 5: Solve for x
    x = 17,811,665,376.00/152,576.87
  6. Step 6: Final answer
    x = 116,738.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.