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Finding the Fourth Proportional to 54,246.60, 81,243.54 and 52,751.79

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Solution

The fourth proportional to 54,246.60, 81,243.54 and 52,751.79 is: 79,004.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,246.60 : 81,243.54 = 52,751.79 : x
  2. Step 2: Convert to fraction form
    54,246.60/81,243.54 = 52,751.79/x
  3. Step 3: Cross multiply
    54,246.60x = 81,243.54 × 52,751.79
  4. Step 4: Simplify right side
    54,246.60x = 4,285,742,160.94
  5. Step 5: Solve for x
    x = 4,285,742,160.94/54,246.60
  6. Step 6: Final answer
    x = 79,004.81

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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.