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Finding the Fourth Proportional to 59,551.81, 89,684.24 and 54,237.40

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Solution

The fourth proportional to 59,551.81, 89,684.24 and 54,237.40 is: 81,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,551.81 : 89,684.24 = 54,237.40 : x
  2. Step 2: Convert to fraction form
    59,551.81/89,684.24 = 54,237.40/x
  3. Step 3: Cross multiply
    59,551.81x = 89,684.24 × 54,237.40
  4. Step 4: Simplify right side
    59,551.81x = 4,864,239,998.58
  5. Step 5: Solve for x
    x = 4,864,239,998.58/59,551.81
  6. Step 6: Final answer
    x = 81,680.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.