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Finding the Fourth Proportional to 227,477.22, 313,916.58 and 125,503.58

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Solution

The fourth proportional to 227,477.22, 313,916.58 and 125,503.58 is: 173,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,477.22 : 313,916.58 = 125,503.58 : x
  2. Step 2: Convert to fraction form
    227,477.22/313,916.58 = 125,503.58/x
  3. Step 3: Cross multiply
    227,477.22x = 313,916.58 × 125,503.58
  4. Step 4: Simplify right side
    227,477.22x = 39,397,654,611.36
  5. Step 5: Solve for x
    x = 39,397,654,611.36/227,477.22
  6. Step 6: Final answer
    x = 173,193.85

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1.5x scale

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.