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Finding the Fourth Proportional to 247,477, 341,518.50 and 134,299.76

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Solution

The fourth proportional to 247,477, 341,518.50 and 134,299.76 is: 185,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,477 : 341,518.50 = 134,299.76 : x
  2. Step 2: Convert to fraction form
    247,477/341,518.50 = 134,299.76/x
  3. Step 3: Cross multiply
    247,477x = 341,518.50 × 134,299.76
  4. Step 4: Simplify right side
    247,477x = 45,865,852,585.56
  5. Step 5: Solve for x
    x = 45,865,852,585.56/247,477
  6. Step 6: Final answer
    x = 185,333.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.