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Finding the Fourth Proportional to 313,366.56, 469,950.12 and 102,955.92

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Solution

The fourth proportional to 313,366.56, 469,950.12 and 102,955.92 is: 154,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,366.56 : 469,950.12 = 102,955.92 : x
  2. Step 2: Convert to fraction form
    313,366.56/469,950.12 = 102,955.92/x
  3. Step 3: Cross multiply
    313,366.56x = 469,950.12 × 102,955.92
  4. Step 4: Simplify right side
    313,366.56x = 48,384,146,958.71
  5. Step 5: Solve for x
    x = 48,384,146,958.71/313,366.56
  6. Step 6: Final answer
    x = 154,401.12

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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.