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Finding the Fourth Proportional to 84,793.06, 127,192.32 and 42,650.14

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Solution

The fourth proportional to 84,793.06, 127,192.32 and 42,650.14 is: 63,976.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,793.06 : 127,192.32 = 42,650.14 : x
  2. Step 2: Convert to fraction form
    84,793.06/127,192.32 = 42,650.14/x
  3. Step 3: Cross multiply
    84,793.06x = 127,192.32 × 42,650.14
  4. Step 4: Simplify right side
    84,793.06x = 5,424,770,254.92
  5. Step 5: Solve for x
    x = 5,424,770,254.92/84,793.06
  6. Step 6: Final answer
    x = 63,976.58

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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.