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Finding the Fourth Proportional to 136,398.81, 204,598.23 and 41,629.50

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Solution

The fourth proportional to 136,398.81, 204,598.23 and 41,629.50 is: 62,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,398.81 : 204,598.23 = 41,629.50 : x
  2. Step 2: Convert to fraction form
    136,398.81/204,598.23 = 41,629.50/x
  3. Step 3: Cross multiply
    136,398.81x = 204,598.23 × 41,629.50
  4. Step 4: Simplify right side
    136,398.81x = 8,517,322,015.79
  5. Step 5: Solve for x
    x = 8,517,322,015.79/136,398.81
  6. Step 6: Final answer
    x = 62,444.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.