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Finding the Fourth Proportional to 73,924.32, 101,913.12 and 50,013.12

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Solution

The fourth proportional to 73,924.32, 101,913.12 and 50,013.12 is: 68,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,924.32 : 101,913.12 = 50,013.12 : x
  2. Step 2: Convert to fraction form
    73,924.32/101,913.12 = 50,013.12/x
  3. Step 3: Cross multiply
    73,924.32x = 101,913.12 × 50,013.12
  4. Step 4: Simplify right side
    73,924.32x = 5,096,993,100.13
  5. Step 5: Solve for x
    x = 5,096,993,100.13/73,924.32
  6. Step 6: Final answer
    x = 68,948.80

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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.