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Finding the Fourth Proportional to 80,703.96, 111,359.46 and 44,894.40

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Solution

The fourth proportional to 80,703.96, 111,359.46 and 44,894.40 is: 61,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,703.96 : 111,359.46 = 44,894.40 : x
  2. Step 2: Convert to fraction form
    80,703.96/111,359.46 = 44,894.40/x
  3. Step 3: Cross multiply
    80,703.96x = 111,359.46 × 44,894.40
  4. Step 4: Simplify right side
    80,703.96x = 4,999,416,141.02
  5. Step 5: Solve for x
    x = 4,999,416,141.02/80,703.96
  6. Step 6: Final answer
    x = 61,947.59

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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.