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Finding the Fourth Proportional to 76,385.60, 114,664.80 and 58,932.80

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Solution

The fourth proportional to 76,385.60, 114,664.80 and 58,932.80 is: 88,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,385.60 : 114,664.80 = 58,932.80 : x
  2. Step 2: Convert to fraction form
    76,385.60/114,664.80 = 58,932.80/x
  3. Step 3: Cross multiply
    76,385.60x = 114,664.80 × 58,932.80
  4. Step 4: Simplify right side
    76,385.60x = 6,757,517,725.44
  5. Step 5: Solve for x
    x = 6,757,517,725.44/76,385.60
  6. Step 6: Final answer
    x = 88,465.86

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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.