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Finding the Fourth Proportional to 114,517.73, 171,664.90 and 54,530.08

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Solution

The fourth proportional to 114,517.73, 171,664.90 and 54,530.08 is: 81,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,517.73 : 171,664.90 = 54,530.08 : x
  2. Step 2: Convert to fraction form
    114,517.73/171,664.90 = 54,530.08/x
  3. Step 3: Cross multiply
    114,517.73x = 171,664.90 × 54,530.08
  4. Step 4: Simplify right side
    114,517.73x = 9,360,900,730.19
  5. Step 5: Solve for x
    x = 9,360,900,730.19/114,517.73
  6. Step 6: Final answer
    x = 81,741.93

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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.