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Finding the Fourth Proportional to 124,086.44, 170,123.93 and 121,844.41

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Solution

The fourth proportional to 124,086.44, 170,123.93 and 121,844.41 is: 167,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,086.44 : 170,123.93 = 121,844.41 : x
  2. Step 2: Convert to fraction form
    124,086.44/170,123.93 = 121,844.41/x
  3. Step 3: Cross multiply
    124,086.44x = 170,123.93 × 121,844.41
  4. Step 4: Simplify right side
    124,086.44x = 20,728,649,208.16
  5. Step 5: Solve for x
    x = 20,728,649,208.16/124,086.44
  6. Step 6: Final answer
    x = 167,050.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.