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Finding the Fourth Proportional to 102,501.88, 153,797.22 and 55,061.62

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Solution

The fourth proportional to 102,501.88, 153,797.22 and 55,061.62 is: 82,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,501.88 : 153,797.22 = 55,061.62 : x
  2. Step 2: Convert to fraction form
    102,501.88/153,797.22 = 55,061.62/x
  3. Step 3: Cross multiply
    102,501.88x = 153,797.22 × 55,061.62
  4. Step 4: Simplify right side
    102,501.88x = 8,468,324,084.70
  5. Step 5: Solve for x
    x = 8,468,324,084.70/102,501.88
  6. Step 6: Final answer
    x = 82,616.28

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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.