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Finding the Fourth Proportional to 185,570.87, 278,220.02 and 59,138.37

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Solution

The fourth proportional to 185,570.87, 278,220.02 and 59,138.37 is: 88,664.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,570.87 : 278,220.02 = 59,138.37 : x
  2. Step 2: Convert to fraction form
    185,570.87/278,220.02 = 59,138.37/x
  3. Step 3: Cross multiply
    185,570.87x = 278,220.02 × 59,138.37
  4. Step 4: Simplify right side
    185,570.87x = 16,453,478,188.48
  5. Step 5: Solve for x
    x = 16,453,478,188.48/185,570.87
  6. Step 6: Final answer
    x = 88,664.12

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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.