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Finding the Fourth Proportional to 185,572.56, 278,360.40 and 52,449.84

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Solution

The fourth proportional to 185,572.56, 278,360.40 and 52,449.84 is: 78,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,572.56 : 278,360.40 = 52,449.84 : x
  2. Step 2: Convert to fraction form
    185,572.56/278,360.40 = 52,449.84/x
  3. Step 3: Cross multiply
    185,572.56x = 278,360.40 × 52,449.84
  4. Step 4: Simplify right side
    185,572.56x = 14,599,958,442.34
  5. Step 5: Solve for x
    x = 14,599,958,442.34/185,572.56
  6. Step 6: Final answer
    x = 78,675.20

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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.