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Finding the Fourth Proportional to 119,568.05, 165,008.14 and 74,270.84

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Solution

The fourth proportional to 119,568.05, 165,008.14 and 74,270.84 is: 102,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,568.05 : 165,008.14 = 74,270.84 : x
  2. Step 2: Convert to fraction form
    119,568.05/165,008.14 = 74,270.84/x
  3. Step 3: Cross multiply
    119,568.05x = 165,008.14 × 74,270.84
  4. Step 4: Simplify right side
    119,568.05x = 12,255,293,164.64
  5. Step 5: Solve for x
    x = 12,255,293,164.64/119,568.05
  6. Step 6: Final answer
    x = 102,496.39

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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.