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Finding the Fourth Proportional to 84,727.98, 116,917.20 and 46,481.40

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Solution

The fourth proportional to 84,727.98, 116,917.20 and 46,481.40 is: 64,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,727.98 : 116,917.20 = 46,481.40 : x
  2. Step 2: Convert to fraction form
    84,727.98/116,917.20 = 46,481.40/x
  3. Step 3: Cross multiply
    84,727.98x = 116,917.20 × 46,481.40
  4. Step 4: Simplify right side
    84,727.98x = 5,434,475,140.08
  5. Step 5: Solve for x
    x = 5,434,475,140.08/84,727.98
  6. Step 6: Final answer
    x = 64,140.27

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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.