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Finding the Fourth Proportional to 169,958.84, 234,524.79 and 98,325.47

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Solution

The fourth proportional to 169,958.84, 234,524.79 and 98,325.47 is: 135,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,958.84 : 234,524.79 = 98,325.47 : x
  2. Step 2: Convert to fraction form
    169,958.84/234,524.79 = 98,325.47/x
  3. Step 3: Cross multiply
    169,958.84x = 234,524.79 × 98,325.47
  4. Step 4: Simplify right side
    169,958.84x = 23,059,759,030.78
  5. Step 5: Solve for x
    x = 23,059,759,030.78/169,958.84
  6. Step 6: Final answer
    x = 135,678.50

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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.