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Finding the Fourth Proportional to 124,544.96, 171,886.44 and 69,359.84

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Solution

The fourth proportional to 124,544.96, 171,886.44 and 69,359.84 is: 95,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,544.96 : 171,886.44 = 69,359.84 : x
  2. Step 2: Convert to fraction form
    124,544.96/171,886.44 = 69,359.84/x
  3. Step 3: Cross multiply
    124,544.96x = 171,886.44 × 69,359.84
  4. Step 4: Simplify right side
    124,544.96x = 11,922,015,976.57
  5. Step 5: Solve for x
    x = 11,922,015,976.57/124,544.96
  6. Step 6: Final answer
    x = 95,724.60

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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.