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Finding the Fourth Proportional to 169,997.30, 234,604.21 and 98,363.47

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Solution

The fourth proportional to 169,997.30, 234,604.21 and 98,363.47 is: 135,746.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,997.30 : 234,604.21 = 98,363.47 : x
  2. Step 2: Convert to fraction form
    169,997.30/234,604.21 = 98,363.47/x
  3. Step 3: Cross multiply
    169,997.30x = 234,604.21 × 98,363.47
  4. Step 4: Simplify right side
    169,997.30x = 23,076,483,708.65
  5. Step 5: Solve for x
    x = 23,076,483,708.65/169,997.30
  6. Step 6: Final answer
    x = 135,746.18

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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.