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Finding the Fourth Proportional to 95,971.80, 143,892.90 and 49,186.20

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Solution

The fourth proportional to 95,971.80, 143,892.90 and 49,186.20 is: 73,746.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,971.80 : 143,892.90 = 49,186.20 : x
  2. Step 2: Convert to fraction form
    95,971.80/143,892.90 = 49,186.20/x
  3. Step 3: Cross multiply
    95,971.80x = 143,892.90 × 49,186.20
  4. Step 4: Simplify right side
    95,971.80x = 7,077,544,957.98
  5. Step 5: Solve for x
    x = 7,077,544,957.98/95,971.80
  6. Step 6: Final answer
    x = 73,746.09

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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.