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Finding the Fourth Proportional to 83,376.58, 115,059.60 and 45,650.80

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Solution

The fourth proportional to 83,376.58, 115,059.60 and 45,650.80 is: 62,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,376.58 : 115,059.60 = 45,650.80 : x
  2. Step 2: Convert to fraction form
    83,376.58/115,059.60 = 45,650.80/x
  3. Step 3: Cross multiply
    83,376.58x = 115,059.60 × 45,650.80
  4. Step 4: Simplify right side
    83,376.58x = 5,252,562,787.68
  5. Step 5: Solve for x
    x = 5,252,562,787.68/83,376.58
  6. Step 6: Final answer
    x = 62,998.06

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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.