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Finding the Fourth Proportional to 226,538.88, 312,617.37 and 124,564.53

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Solution

The fourth proportional to 226,538.88, 312,617.37 and 124,564.53 is: 171,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,538.88 : 312,617.37 = 124,564.53 : x
  2. Step 2: Convert to fraction form
    226,538.88/312,617.37 = 124,564.53/x
  3. Step 3: Cross multiply
    226,538.88x = 312,617.37 × 124,564.53
  4. Step 4: Simplify right side
    226,538.88x = 38,941,037,403.32
  5. Step 5: Solve for x
    x = 38,941,037,403.32/226,538.88
  6. Step 6: Final answer
    x = 171,895.61

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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.