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Finding the Fourth Proportional to 74,594.75, 111,892.13 and 25,346.75

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Solution

The fourth proportional to 74,594.75, 111,892.13 and 25,346.75 is: 38,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,594.75 : 111,892.13 = 25,346.75 : x
  2. Step 2: Convert to fraction form
    74,594.75/111,892.13 = 25,346.75/x
  3. Step 3: Cross multiply
    74,594.75x = 111,892.13 × 25,346.75
  4. Step 4: Simplify right side
    74,594.75x = 2,836,101,719.34
  5. Step 5: Solve for x
    x = 2,836,101,719.34/74,594.75
  6. Step 6: Final answer
    x = 38,020.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.