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Finding the Fourth Proportional to 132,806.40, 199,209.60 and 62,822.40

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Solution

The fourth proportional to 132,806.40, 199,209.60 and 62,822.40 is: 94,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,806.40 : 199,209.60 = 62,822.40 : x
  2. Step 2: Convert to fraction form
    132,806.40/199,209.60 = 62,822.40/x
  3. Step 3: Cross multiply
    132,806.40x = 199,209.60 × 62,822.40
  4. Step 4: Simplify right side
    132,806.40x = 12,514,825,175.04
  5. Step 5: Solve for x
    x = 12,514,825,175.04/132,806.40
  6. Step 6: Final answer
    x = 94,233.60

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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.