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Finding the Fourth Proportional to 169,997.81, 234,604.90 and 98,363.97

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Solution

The fourth proportional to 169,997.81, 234,604.90 and 98,363.97 is: 135,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,997.81 : 234,604.90 = 98,363.97 : x
  2. Step 2: Convert to fraction form
    169,997.81/234,604.90 = 98,363.97/x
  3. Step 3: Cross multiply
    169,997.81x = 234,604.90 × 98,363.97
  4. Step 4: Simplify right side
    169,997.81x = 23,076,669,345.45
  5. Step 5: Solve for x
    x = 23,076,669,345.45/169,997.81
  6. Step 6: Final answer
    x = 135,746.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.