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Finding the Fourth Proportional to 113,940.15, 170,919.95 and 29,711.49

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Solution

The fourth proportional to 113,940.15, 170,919.95 and 29,711.49 is: 44,569.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,940.15 : 170,919.95 = 29,711.49 : x
  2. Step 2: Convert to fraction form
    113,940.15/170,919.95 = 29,711.49/x
  3. Step 3: Cross multiply
    113,940.15x = 170,919.95 × 29,711.49
  4. Step 4: Simplify right side
    113,940.15x = 5,078,286,236.67
  5. Step 5: Solve for x
    x = 5,078,286,236.67/113,940.15
  6. Step 6: Final answer
    x = 44,569.77

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1.5x scale

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.