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Finding the Fourth Proportional to 84,462.48, 116,539.97 and 53,847.21

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Solution

The fourth proportional to 84,462.48, 116,539.97 and 53,847.21 is: 74,297.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,462.48 : 116,539.97 = 53,847.21 : x
  2. Step 2: Convert to fraction form
    84,462.48/116,539.97 = 53,847.21/x
  3. Step 3: Cross multiply
    84,462.48x = 116,539.97 × 53,847.21
  4. Step 4: Simplify right side
    84,462.48x = 6,275,352,405.77
  5. Step 5: Solve for x
    x = 6,275,352,405.77/84,462.48
  6. Step 6: Final answer
    x = 74,297.52

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1.5x scale

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.