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Finding the Fourth Proportional to 101,093.80, 151,737.90 and 51,230.20

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Solution

The fourth proportional to 101,093.80, 151,737.90 and 51,230.20 is: 76,894.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,093.80 : 151,737.90 = 51,230.20 : x
  2. Step 2: Convert to fraction form
    101,093.80/151,737.90 = 51,230.20/x
  3. Step 3: Cross multiply
    101,093.80x = 151,737.90 × 51,230.20
  4. Step 4: Simplify right side
    101,093.80x = 7,773,562,964.58
  5. Step 5: Solve for x
    x = 7,773,562,964.58/101,093.80
  6. Step 6: Final answer
    x = 76,894.56

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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.