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Finding the Fourth Proportional to 101,428.99, 152,082.73 and 48,134.23

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Solution

The fourth proportional to 101,428.99, 152,082.73 and 48,134.23 is: 72,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,428.99 : 152,082.73 = 48,134.23 : x
  2. Step 2: Convert to fraction form
    101,428.99/152,082.73 = 48,134.23/x
  3. Step 3: Cross multiply
    101,428.99x = 152,082.73 × 48,134.23
  4. Step 4: Simplify right side
    101,428.99x = 7,320,385,104.85
  5. Step 5: Solve for x
    x = 7,320,385,104.85/101,428.99
  6. Step 6: Final answer
    x = 72,172.51

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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.