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Finding the Fourth Proportional to 185,694.35, 278,581.51 and 57,608.04

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Solution

The fourth proportional to 185,694.35, 278,581.51 and 57,608.04 is: 86,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,694.35 : 278,581.51 = 57,608.04 : x
  2. Step 2: Convert to fraction form
    185,694.35/278,581.51 = 57,608.04/x
  3. Step 3: Cross multiply
    185,694.35x = 278,581.51 × 57,608.04
  4. Step 4: Simplify right side
    185,694.35x = 16,048,534,627.32
  5. Step 5: Solve for x
    x = 16,048,534,627.32/185,694.35
  6. Step 6: Final answer
    x = 86,424.46

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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.