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Finding the Fourth Proportional to 225,229.37, 310,816.53 and 123,254.82

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Solution

The fourth proportional to 225,229.37, 310,816.53 and 123,254.82 is: 170,091.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,229.37 : 310,816.53 = 123,254.82 : x
  2. Step 2: Convert to fraction form
    225,229.37/310,816.53 = 123,254.82/x
  3. Step 3: Cross multiply
    225,229.37x = 310,816.53 × 123,254.82
  4. Step 4: Simplify right side
    225,229.37x = 38,309,635,458.17
  5. Step 5: Solve for x
    x = 38,309,635,458.17/225,229.37
  6. Step 6: Final answer
    x = 170,091.66

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1.5x scale

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.