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Finding the Fourth Proportional to 169,935.78, 234,485.10 and 98,322.48

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Solution

The fourth proportional to 169,935.78, 234,485.10 and 98,322.48 is: 135,669.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,935.78 : 234,485.10 = 98,322.48 : x
  2. Step 2: Convert to fraction form
    169,935.78/234,485.10 = 98,322.48/x
  3. Step 3: Cross multiply
    169,935.78x = 234,485.10 × 98,322.48
  4. Step 4: Simplify right side
    169,935.78x = 23,055,156,555.05
  5. Step 5: Solve for x
    x = 23,055,156,555.05/169,935.78
  6. Step 6: Final answer
    x = 135,669.82

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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.