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Finding the Fourth Proportional to 262,000.68, 392,736.96 and 149,643.96

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Solution

The fourth proportional to 262,000.68, 392,736.96 and 149,643.96 is: 224,315.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,000.68 : 392,736.96 = 149,643.96 : x
  2. Step 2: Convert to fraction form
    262,000.68/392,736.96 = 149,643.96/x
  3. Step 3: Cross multiply
    262,000.68x = 392,736.96 × 149,643.96
  4. Step 4: Simplify right side
    262,000.68x = 58,770,713,932.76
  5. Step 5: Solve for x
    x = 58,770,713,932.76/262,000.68
  6. Step 6: Final answer
    x = 224,315.12

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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.