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Finding the Fourth Proportional to 225,049.02, 310,566.87 and 124,447.02

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Solution

The fourth proportional to 225,049.02, 310,566.87 and 124,447.02 is: 171,736.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,049.02 : 310,566.87 = 124,447.02 : x
  2. Step 2: Convert to fraction form
    225,049.02/310,566.87 = 124,447.02/x
  3. Step 3: Cross multiply
    225,049.02x = 310,566.87 × 124,447.02
  4. Step 4: Simplify right side
    225,049.02x = 38,649,121,482.23
  5. Step 5: Solve for x
    x = 38,649,121,482.23/225,049.02
  6. Step 6: Final answer
    x = 171,736.46

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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.