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Finding the Fourth Proportional to 84,118.25, 116,085.08 and 47,813.94

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Solution

The fourth proportional to 84,118.25, 116,085.08 and 47,813.94 is: 65,984.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,118.25 : 116,085.08 = 47,813.94 : x
  2. Step 2: Convert to fraction form
    84,118.25/116,085.08 = 47,813.94/x
  3. Step 3: Cross multiply
    84,118.25x = 116,085.08 × 47,813.94
  4. Step 4: Simplify right side
    84,118.25x = 5,550,485,169.55
  5. Step 5: Solve for x
    x = 5,550,485,169.55/84,118.25
  6. Step 6: Final answer
    x = 65,984.31

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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.