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Finding the Fourth Proportional to 336,882.65, 505,344.83 and 112,263.17

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Solution

The fourth proportional to 336,882.65, 505,344.83 and 112,263.17 is: 168,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,882.65 : 505,344.83 = 112,263.17 : x
  2. Step 2: Convert to fraction form
    336,882.65/505,344.83 = 112,263.17/x
  3. Step 3: Cross multiply
    336,882.65x = 505,344.83 × 112,263.17
  4. Step 4: Simplify right side
    336,882.65x = 56,731,609,470.87
  5. Step 5: Solve for x
    x = 56,731,609,470.87/336,882.65
  6. Step 6: Final answer
    x = 168,401.70

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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.