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Finding the Fourth Proportional to 66,806.84, 100,123.38 and 50,035.22

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Solution

The fourth proportional to 66,806.84, 100,123.38 and 50,035.22 is: 74,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,806.84 : 100,123.38 = 50,035.22 : x
  2. Step 2: Convert to fraction form
    66,806.84/100,123.38 = 50,035.22/x
  3. Step 3: Cross multiply
    66,806.84x = 100,123.38 × 50,035.22
  4. Step 4: Simplify right side
    66,806.84x = 5,009,695,345.44
  5. Step 5: Solve for x
    x = 5,009,695,345.44/66,806.84
  6. Step 6: Final answer
    x = 74,987.76

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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.