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Finding the Fourth Proportional to 368,189.43, 552,222.18 and 101,976.86

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Solution

The fourth proportional to 368,189.43, 552,222.18 and 101,976.86 is: 152,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,189.43 : 552,222.18 = 101,976.86 : x
  2. Step 2: Convert to fraction form
    368,189.43/552,222.18 = 101,976.86/x
  3. Step 3: Cross multiply
    368,189.43x = 552,222.18 × 101,976.86
  4. Step 4: Simplify right side
    368,189.43x = 56,313,881,177.64
  5. Step 5: Solve for x
    x = 56,313,881,177.64/368,189.43
  6. Step 6: Final answer
    x = 152,948.12

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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.