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Finding the Fourth Proportional to 84,472.74, 116,525.69 and 54,262.52

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Solution

The fourth proportional to 84,472.74, 116,525.69 and 54,262.52 is: 74,852.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,472.74 : 116,525.69 = 54,262.52 : x
  2. Step 2: Convert to fraction form
    84,472.74/116,525.69 = 54,262.52/x
  3. Step 3: Cross multiply
    84,472.74x = 116,525.69 × 54,262.52
  4. Step 4: Simplify right side
    84,472.74x = 6,322,978,026.11
  5. Step 5: Solve for x
    x = 6,322,978,026.11/84,472.74
  6. Step 6: Final answer
    x = 74,852.29

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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.