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Finding the Fourth Proportional to 73,178.38, 100,990.83 and 44,880.22

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Solution

The fourth proportional to 73,178.38, 100,990.83 and 44,880.22 is: 61,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,178.38 : 100,990.83 = 44,880.22 : x
  2. Step 2: Convert to fraction form
    73,178.38/100,990.83 = 44,880.22/x
  3. Step 3: Cross multiply
    73,178.38x = 100,990.83 × 44,880.22
  4. Step 4: Simplify right side
    73,178.38x = 4,532,490,668.38
  5. Step 5: Solve for x
    x = 4,532,490,668.38/73,178.38
  6. Step 6: Final answer
    x = 61,937.57

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1.5x scale

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.