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Finding the Fourth Proportional to 354,844.52, 532,111.26 and 133,073

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Solution

The fourth proportional to 354,844.52, 532,111.26 and 133,073 is: 199,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,844.52 : 532,111.26 = 133,073 : x
  2. Step 2: Convert to fraction form
    354,844.52/532,111.26 = 133,073/x
  3. Step 3: Cross multiply
    354,844.52x = 532,111.26 × 133,073
  4. Step 4: Simplify right side
    354,844.52x = 70,809,641,701.98
  5. Step 5: Solve for x
    x = 70,809,641,701.98/354,844.52
  6. Step 6: Final answer
    x = 199,551.18

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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.