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Finding the Fourth Proportional to 169,703.13, 234,137.64 and 98,057.01

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Solution

The fourth proportional to 169,703.13, 234,137.64 and 98,057.01 is: 135,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,703.13 : 234,137.64 = 98,057.01 : x
  2. Step 2: Convert to fraction form
    169,703.13/234,137.64 = 98,057.01/x
  3. Step 3: Cross multiply
    169,703.13x = 234,137.64 × 98,057.01
  4. Step 4: Simplify right side
    169,703.13x = 22,958,836,906.86
  5. Step 5: Solve for x
    x = 22,958,836,906.86/169,703.13
  6. Step 6: Final answer
    x = 135,288.23

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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.