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Finding the Fourth Proportional to 225,076.10, 310,592.48 and 123,081.26

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Solution

The fourth proportional to 225,076.10, 310,592.48 and 123,081.26 is: 169,845.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,076.10 : 310,592.48 = 123,081.26 : x
  2. Step 2: Convert to fraction form
    225,076.10/310,592.48 = 123,081.26/x
  3. Step 3: Cross multiply
    225,076.10x = 310,592.48 × 123,081.26
  4. Step 4: Simplify right side
    225,076.10x = 38,228,113,784.92
  5. Step 5: Solve for x
    x = 38,228,113,784.92/225,076.10
  6. Step 6: Final answer
    x = 169,845.28

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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.