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Finding the Fourth Proportional to 84,372.48, 116,434.80 and 46,648.80

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Solution

The fourth proportional to 84,372.48, 116,434.80 and 46,648.80 is: 64,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,372.48 : 116,434.80 = 46,648.80 : x
  2. Step 2: Convert to fraction form
    84,372.48/116,434.80 = 46,648.80/x
  3. Step 3: Cross multiply
    84,372.48x = 116,434.80 × 46,648.80
  4. Step 4: Simplify right side
    84,372.48x = 5,431,543,698.24
  5. Step 5: Solve for x
    x = 5,431,543,698.24/84,372.48
  6. Step 6: Final answer
    x = 64,375.77

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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.