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Finding the Fourth Proportional to 69,199.44, 103,420.01 and 50,518.81

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Solution

The fourth proportional to 69,199.44, 103,420.01 and 50,518.81 is: 75,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,199.44 : 103,420.01 = 50,518.81 : x
  2. Step 2: Convert to fraction form
    69,199.44/103,420.01 = 50,518.81/x
  3. Step 3: Cross multiply
    69,199.44x = 103,420.01 × 50,518.81
  4. Step 4: Simplify right side
    69,199.44x = 5,224,655,835.39
  5. Step 5: Solve for x
    x = 5,224,655,835.39/69,199.44
  6. Step 6: Final answer
    x = 75,501.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.