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Finding the Fourth Proportional to 84,287.57, 116,306.93 and 46,559.57

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Solution

The fourth proportional to 84,287.57, 116,306.93 and 46,559.57 is: 64,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,287.57 : 116,306.93 = 46,559.57 : x
  2. Step 2: Convert to fraction form
    84,287.57/116,306.93 = 46,559.57/x
  3. Step 3: Cross multiply
    84,287.57x = 116,306.93 × 46,559.57
  4. Step 4: Simplify right side
    84,287.57x = 5,415,200,183.68
  5. Step 5: Solve for x
    x = 5,415,200,183.68/84,287.57
  6. Step 6: Final answer
    x = 64,246.73

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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.