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Finding the Fourth Proportional to 239,246.82, 358,870.22 and 70,754.02

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Solution

The fourth proportional to 239,246.82, 358,870.22 and 70,754.02 is: 106,131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,246.82 : 358,870.22 = 70,754.02 : x
  2. Step 2: Convert to fraction form
    239,246.82/358,870.22 = 70,754.02/x
  3. Step 3: Cross multiply
    239,246.82x = 358,870.22 × 70,754.02
  4. Step 4: Simplify right side
    239,246.82x = 25,391,510,002.99
  5. Step 5: Solve for x
    x = 25,391,510,002.99/239,246.82
  6. Step 6: Final answer
    x = 106,131.02

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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.