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Finding the Fourth Proportional to 161,706.98, 242,552.24 and 61,859.50

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Solution

The fourth proportional to 161,706.98, 242,552.24 and 61,859.50 is: 92,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,706.98 : 242,552.24 = 61,859.50 : x
  2. Step 2: Convert to fraction form
    161,706.98/242,552.24 = 61,859.50/x
  3. Step 3: Cross multiply
    161,706.98x = 242,552.24 × 61,859.50
  4. Step 4: Simplify right side
    161,706.98x = 15,004,160,290.28
  5. Step 5: Solve for x
    x = 15,004,160,290.28/161,706.98
  6. Step 6: Final answer
    x = 92,786.10

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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.