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Finding the Fourth Proportional to 161,213.80, 241,823.02 and 61,379.48

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Solution

The fourth proportional to 161,213.80, 241,823.02 and 61,379.48 is: 92,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,213.80 : 241,823.02 = 61,379.48 : x
  2. Step 2: Convert to fraction form
    161,213.80/241,823.02 = 61,379.48/x
  3. Step 3: Cross multiply
    161,213.80x = 241,823.02 × 61,379.48
  4. Step 4: Simplify right side
    161,213.80x = 14,842,971,105.70
  5. Step 5: Solve for x
    x = 14,842,971,105.70/161,213.80
  6. Step 6: Final answer
    x = 92,070.10

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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.