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Finding the Fourth Proportional to 84,479.60, 116,553.35 and 48,668.68

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Solution

The fourth proportional to 84,479.60, 116,553.35 and 48,668.68 is: 67,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,479.60 : 116,553.35 = 48,668.68 : x
  2. Step 2: Convert to fraction form
    84,479.60/116,553.35 = 48,668.68/x
  3. Step 3: Cross multiply
    84,479.60x = 116,553.35 × 48,668.68
  4. Step 4: Simplify right side
    84,479.60x = 5,672,497,694.08
  5. Step 5: Solve for x
    x = 5,672,497,694.08/84,479.60
  6. Step 6: Final answer
    x = 67,146.36

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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.