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Finding the Fourth Proportional to 354,944.52, 532,418.15 and 88,705.32

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Solution

The fourth proportional to 354,944.52, 532,418.15 and 88,705.32 is: 133,058.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,944.52 : 532,418.15 = 88,705.32 : x
  2. Step 2: Convert to fraction form
    354,944.52/532,418.15 = 88,705.32/x
  3. Step 3: Cross multiply
    354,944.52x = 532,418.15 × 88,705.32
  4. Step 4: Simplify right side
    354,944.52x = 47,228,322,369.56
  5. Step 5: Solve for x
    x = 47,228,322,369.56/354,944.52
  6. Step 6: Final answer
    x = 133,058.32

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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.