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Finding the Fourth Proportional to 70,940.79, 106,345.83 and 24,161.13

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Solution

The fourth proportional to 70,940.79, 106,345.83 and 24,161.13 is: 36,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,940.79 : 106,345.83 = 24,161.13 : x
  2. Step 2: Convert to fraction form
    70,940.79/106,345.83 = 24,161.13/x
  3. Step 3: Cross multiply
    70,940.79x = 106,345.83 × 24,161.13
  4. Step 4: Simplify right side
    70,940.79x = 2,569,435,423.59
  5. Step 5: Solve for x
    x = 2,569,435,423.59/70,940.79
  6. Step 6: Final answer
    x = 36,219.44

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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.