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Finding the Fourth Proportional to 84,504.60, 116,619.10 and 48,691.80

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Solution

The fourth proportional to 84,504.60, 116,619.10 and 48,691.80 is: 67,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,504.60 : 116,619.10 = 48,691.80 : x
  2. Step 2: Convert to fraction form
    84,504.60/116,619.10 = 48,691.80/x
  3. Step 3: Cross multiply
    84,504.60x = 116,619.10 × 48,691.80
  4. Step 4: Simplify right side
    84,504.60x = 5,678,393,893.38
  5. Step 5: Solve for x
    x = 5,678,393,893.38/84,504.60
  6. Step 6: Final answer
    x = 67,196.27

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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.