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Finding the Fourth Proportional to 227,880.05, 314,472.62 and 125,905.19

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Solution

The fourth proportional to 227,880.05, 314,472.62 and 125,905.19 is: 173,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,880.05 : 314,472.62 = 125,905.19 : x
  2. Step 2: Convert to fraction form
    227,880.05/314,472.62 = 125,905.19/x
  3. Step 3: Cross multiply
    227,880.05x = 314,472.62 × 125,905.19
  4. Step 4: Simplify right side
    227,880.05x = 39,593,732,769.01
  5. Step 5: Solve for x
    x = 39,593,732,769.01/227,880.05
  6. Step 6: Final answer
    x = 173,748.13

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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.