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Finding the Fourth Proportional to 146,891.76, 202,710.62 and 79,823.76

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Solution

The fourth proportional to 146,891.76, 202,710.62 and 79,823.76 is: 110,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,891.76 : 202,710.62 = 79,823.76 : x
  2. Step 2: Convert to fraction form
    146,891.76/202,710.62 = 79,823.76/x
  3. Step 3: Cross multiply
    146,891.76x = 202,710.62 × 79,823.76
  4. Step 4: Simplify right side
    146,891.76x = 16,181,123,880.33
  5. Step 5: Solve for x
    x = 16,181,123,880.33/146,891.76
  6. Step 6: Final answer
    x = 110,156.78

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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.