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Finding the Fourth Proportional to 144,028.40, 216,107.40 and 50,601.20

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Solution

The fourth proportional to 144,028.40, 216,107.40 and 50,601.20 is: 75,924.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,028.40 : 216,107.40 = 50,601.20 : x
  2. Step 2: Convert to fraction form
    144,028.40/216,107.40 = 50,601.20/x
  3. Step 3: Cross multiply
    144,028.40x = 216,107.40 × 50,601.20
  4. Step 4: Simplify right side
    144,028.40x = 10,935,293,768.88
  5. Step 5: Solve for x
    x = 10,935,293,768.88/144,028.40
  6. Step 6: Final answer
    x = 75,924.57

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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.