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Finding the Fourth Proportional to 84,594.71, 116,687.85 and 54,419.33

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Solution

The fourth proportional to 84,594.71, 116,687.85 and 54,419.33 is: 75,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,594.71 : 116,687.85 = 54,419.33 : x
  2. Step 2: Convert to fraction form
    84,594.71/116,687.85 = 54,419.33/x
  3. Step 3: Cross multiply
    84,594.71x = 116,687.85 × 54,419.33
  4. Step 4: Simplify right side
    84,594.71x = 6,350,074,616.14
  5. Step 5: Solve for x
    x = 6,350,074,616.14/84,594.71
  6. Step 6: Final answer
    x = 75,064.68

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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.