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Finding the Fourth Proportional to 95,989.17, 143,983.80 and 49,212.21

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Solution

The fourth proportional to 95,989.17, 143,983.80 and 49,212.21 is: 73,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,989.17 : 143,983.80 = 49,212.21 : x
  2. Step 2: Convert to fraction form
    95,989.17/143,983.80 = 49,212.21/x
  3. Step 3: Cross multiply
    95,989.17x = 143,983.80 × 49,212.21
  4. Step 4: Simplify right side
    95,989.17x = 7,085,761,002.20
  5. Step 5: Solve for x
    x = 7,085,761,002.20/95,989.17
  6. Step 6: Final answer
    x = 73,818.34

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1.5x scale

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.