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Finding the Fourth Proportional to 225,610.41, 311,312.73 and 134,933.29

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Solution

The fourth proportional to 225,610.41, 311,312.73 and 134,933.29 is: 186,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,610.41 : 311,312.73 = 134,933.29 : x
  2. Step 2: Convert to fraction form
    225,610.41/311,312.73 = 134,933.29/x
  3. Step 3: Cross multiply
    225,610.41x = 311,312.73 × 134,933.29
  4. Step 4: Simplify right side
    225,610.41x = 42,006,452,356.63
  5. Step 5: Solve for x
    x = 42,006,452,356.63/225,610.41
  6. Step 6: Final answer
    x = 186,190.22

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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.