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Finding the Fourth Proportional to 226,340.10, 312,347.79 and 124,366.64

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Solution

The fourth proportional to 226,340.10, 312,347.79 and 124,366.64 is: 171,625.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,340.10 : 312,347.79 = 124,366.64 : x
  2. Step 2: Convert to fraction form
    226,340.10/312,347.79 = 124,366.64/x
  3. Step 3: Cross multiply
    226,340.10x = 312,347.79 × 124,366.64
  4. Step 4: Simplify right side
    226,340.10x = 38,845,643,591.99
  5. Step 5: Solve for x
    x = 38,845,643,591.99/226,340.10
  6. Step 6: Final answer
    x = 171,625.11

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