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Finding the Fourth Proportional to 226,104.59, 312,028.00 and 124,139.45

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Solution

The fourth proportional to 226,104.59, 312,028.00 and 124,139.45 is: 171,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,104.59 : 312,028.00 = 124,139.45 : x
  2. Step 2: Convert to fraction form
    226,104.59/312,028.00 = 124,139.45/x
  3. Step 3: Cross multiply
    226,104.59x = 312,028.00 × 124,139.45
  4. Step 4: Simplify right side
    226,104.59x = 38,734,983,683.90
  5. Step 5: Solve for x
    x = 38,734,983,683.90/226,104.59
  6. Step 6: Final answer
    x = 171,314.45

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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.