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Finding the Fourth Proportional to 132,822.43, 199,292.43 and 69,627.51

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Solution

The fourth proportional to 132,822.43, 199,292.43 and 69,627.51 is: 104,472.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,822.43 : 199,292.43 = 69,627.51 : x
  2. Step 2: Convert to fraction form
    132,822.43/199,292.43 = 69,627.51/x
  3. Step 3: Cross multiply
    132,822.43x = 199,292.43 × 69,627.51
  4. Step 4: Simplify right side
    132,822.43x = 13,876,235,616.63
  5. Step 5: Solve for x
    x = 13,876,235,616.63/132,822.43
  6. Step 6: Final answer
    x = 104,472.08

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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.