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Finding the Fourth Proportional to 372,755.52, 559,053.90 and 106,445.34

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Solution

The fourth proportional to 372,755.52, 559,053.90 and 106,445.34 is: 159,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,755.52 : 559,053.90 = 106,445.34 : x
  2. Step 2: Convert to fraction form
    372,755.52/559,053.90 = 106,445.34/x
  3. Step 3: Cross multiply
    372,755.52x = 559,053.90 × 106,445.34
  4. Step 4: Simplify right side
    372,755.52x = 59,508,682,463.83
  5. Step 5: Solve for x
    x = 59,508,682,463.83/372,755.52
  6. Step 6: Final answer
    x = 159,645.34

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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.