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Finding the Fourth Proportional to 225,845.40, 338,768.10 and 92,657.10

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Solution

The fourth proportional to 225,845.40, 338,768.10 and 92,657.10 is: 138,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,845.40 : 338,768.10 = 92,657.10 : x
  2. Step 2: Convert to fraction form
    225,845.40/338,768.10 = 92,657.10/x
  3. Step 3: Cross multiply
    225,845.40x = 338,768.10 × 92,657.10
  4. Step 4: Simplify right side
    225,845.40x = 31,389,269,718.51
  5. Step 5: Solve for x
    x = 31,389,269,718.51/225,845.40
  6. Step 6: Final answer
    x = 138,985.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.