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Finding the Fourth Proportional to 225,309.35, 310,905.64 and 134,647.27

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Solution

The fourth proportional to 225,309.35, 310,905.64 and 134,647.27 is: 185,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,309.35 : 310,905.64 = 134,647.27 : x
  2. Step 2: Convert to fraction form
    225,309.35/310,905.64 = 134,647.27/x
  3. Step 3: Cross multiply
    225,309.35x = 310,905.64 × 134,647.27
  4. Step 4: Simplify right side
    225,309.35x = 41,862,595,044.65
  5. Step 5: Solve for x
    x = 41,862,595,044.65/225,309.35
  6. Step 6: Final answer
    x = 185,800.52

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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.