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Finding the Fourth Proportional to 79,026.60, 118,799.10 and 55,813.80

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Solution

The fourth proportional to 79,026.60, 118,799.10 and 55,813.80 is: 83,903.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,026.60 : 118,799.10 = 55,813.80 : x
  2. Step 2: Convert to fraction form
    79,026.60/118,799.10 = 55,813.80/x
  3. Step 3: Cross multiply
    79,026.60x = 118,799.10 × 55,813.80
  4. Step 4: Simplify right side
    79,026.60x = 6,630,629,207.58
  5. Step 5: Solve for x
    x = 6,630,629,207.58/79,026.60
  6. Step 6: Final answer
    x = 83,903.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.