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Finding the Fourth Proportional to 227,611.25, 314,103.54 and 125,636.74

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Solution

The fourth proportional to 227,611.25, 314,103.54 and 125,636.74 is: 173,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,611.25 : 314,103.54 = 125,636.74 : x
  2. Step 2: Convert to fraction form
    227,611.25/314,103.54 = 125,636.74/x
  3. Step 3: Cross multiply
    227,611.25x = 314,103.54 × 125,636.74
  4. Step 4: Simplify right side
    227,611.25x = 39,462,944,788.06
  5. Step 5: Solve for x
    x = 39,462,944,788.06/227,611.25
  6. Step 6: Final answer
    x = 173,378.71

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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.