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Finding the Fourth Proportional to 226,656.16, 312,796.56 and 126,052

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Solution

The fourth proportional to 226,656.16, 312,796.56 and 126,052 is: 173,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,656.16 : 312,796.56 = 126,052 : x
  2. Step 2: Convert to fraction form
    226,656.16/312,796.56 = 126,052/x
  3. Step 3: Cross multiply
    226,656.16x = 312,796.56 × 126,052
  4. Step 4: Simplify right side
    226,656.16x = 39,428,631,981.12
  5. Step 5: Solve for x
    x = 39,428,631,981.12/226,656.16
  6. Step 6: Final answer
    x = 173,957.91

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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.