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Finding the Fourth Proportional to 247,213.49, 370,834.71 and 95,411.39

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Solution

The fourth proportional to 247,213.49, 370,834.71 and 95,411.39 is: 143,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,213.49 : 370,834.71 = 95,411.39 : x
  2. Step 2: Convert to fraction form
    247,213.49/370,834.71 = 95,411.39/x
  3. Step 3: Cross multiply
    247,213.49x = 370,834.71 × 95,411.39
  4. Step 4: Simplify right side
    247,213.49x = 35,381,852,929.38
  5. Step 5: Solve for x
    x = 35,381,852,929.38/247,213.49
  6. Step 6: Final answer
    x = 143,122.67

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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.