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Finding the Fourth Proportional to 169,680.99, 234,142.20 and 98,084.01

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Solution

The fourth proportional to 169,680.99, 234,142.20 and 98,084.01 is: 135,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,680.99 : 234,142.20 = 98,084.01 : x
  2. Step 2: Convert to fraction form
    169,680.99/234,142.20 = 98,084.01/x
  3. Step 3: Cross multiply
    169,680.99x = 234,142.20 × 98,084.01
  4. Step 4: Simplify right side
    169,680.99x = 22,965,605,886.22
  5. Step 5: Solve for x
    x = 22,965,605,886.22/169,680.99
  6. Step 6: Final answer
    x = 135,345.78

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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.