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Finding the Fourth Proportional to 185,363.70, 278,045.55 and 110,568.30

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Solution

The fourth proportional to 185,363.70, 278,045.55 and 110,568.30 is: 165,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,363.70 : 278,045.55 = 110,568.30 : x
  2. Step 2: Convert to fraction form
    185,363.70/278,045.55 = 110,568.30/x
  3. Step 3: Cross multiply
    185,363.70x = 278,045.55 × 110,568.30
  4. Step 4: Simplify right side
    185,363.70x = 30,743,023,786.07
  5. Step 5: Solve for x
    x = 30,743,023,786.07/185,363.70
  6. Step 6: Final answer
    x = 165,852.45

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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.