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Finding the Fourth Proportional to 161,292.36, 241,957.98 and 67,785.96

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Solution

The fourth proportional to 161,292.36, 241,957.98 and 67,785.96 is: 101,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,292.36 : 241,957.98 = 67,785.96 : x
  2. Step 2: Convert to fraction form
    161,292.36/241,957.98 = 67,785.96/x
  3. Step 3: Cross multiply
    161,292.36x = 241,957.98 × 67,785.96
  4. Step 4: Simplify right side
    161,292.36x = 16,401,353,953.96
  5. Step 5: Solve for x
    x = 16,401,353,953.96/161,292.36
  6. Step 6: Final answer
    x = 101,687.11

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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.