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Finding the Fourth Proportional to 227,592, 314,076.96 and 126,990.72

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Solution

The fourth proportional to 227,592, 314,076.96 and 126,990.72 is: 175,247.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,592 : 314,076.96 = 126,990.72 : x
  2. Step 2: Convert to fraction form
    227,592/314,076.96 = 126,990.72/x
  3. Step 3: Cross multiply
    227,592x = 314,076.96 × 126,990.72
  4. Step 4: Simplify right side
    227,592x = 39,884,859,285.81
  5. Step 5: Solve for x
    x = 39,884,859,285.81/227,592
  6. Step 6: Final answer
    x = 175,247.19

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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.