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Finding the Fourth Proportional to 84,191.62, 116,179.53 and 46,465.78

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Solution

The fourth proportional to 84,191.62, 116,179.53 and 46,465.78 is: 64,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,191.62 : 116,179.53 = 46,465.78 : x
  2. Step 2: Convert to fraction form
    84,191.62/116,179.53 = 46,465.78/x
  3. Step 3: Cross multiply
    84,191.62x = 116,179.53 × 46,465.78
  4. Step 4: Simplify right side
    84,191.62x = 5,398,372,481.48
  5. Step 5: Solve for x
    x = 5,398,372,481.48/84,191.62
  6. Step 6: Final answer
    x = 64,120.07

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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.