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Finding the Fourth Proportional to 78,793.02, 108,718.90 and 44,795.63

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Solution

The fourth proportional to 78,793.02, 108,718.90 and 44,795.63 is: 61,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,793.02 : 108,718.90 = 44,795.63 : x
  2. Step 2: Convert to fraction form
    78,793.02/108,718.90 = 44,795.63/x
  3. Step 3: Cross multiply
    78,793.02x = 108,718.90 × 44,795.63
  4. Step 4: Simplify right side
    78,793.02x = 4,870,131,778.22
  5. Step 5: Solve for x
    x = 4,870,131,778.22/78,793.02
  6. Step 6: Final answer
    x = 61,809.18

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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.