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Finding the Fourth Proportional to 368,201.70, 552,302.55 and 131,552.10

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Solution

The fourth proportional to 368,201.70, 552,302.55 and 131,552.10 is: 197,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,201.70 : 552,302.55 = 131,552.10 : x
  2. Step 2: Convert to fraction form
    368,201.70/552,302.55 = 131,552.10/x
  3. Step 3: Cross multiply
    368,201.70x = 552,302.55 × 131,552.10
  4. Step 4: Simplify right side
    368,201.70x = 72,656,560,287.86
  5. Step 5: Solve for x
    x = 72,656,560,287.86/368,201.70
  6. Step 6: Final answer
    x = 197,328.15

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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.