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Finding the Fourth Proportional to 226,535.26, 312,610.64 and 124,560

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Solution

The fourth proportional to 226,535.26, 312,610.64 and 124,560 is: 171,888.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,535.26 : 312,610.64 = 124,560 : x
  2. Step 2: Convert to fraction form
    226,535.26/312,610.64 = 124,560/x
  3. Step 3: Cross multiply
    226,535.26x = 312,610.64 × 124,560
  4. Step 4: Simplify right side
    226,535.26x = 38,938,781,629.80
  5. Step 5: Solve for x
    x = 38,938,781,629.80/226,535.26
  6. Step 6: Final answer
    x = 171,888.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.