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Finding the Fourth Proportional to 100,055.34, 149,950.67 and 52,573.39

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Solution

The fourth proportional to 100,055.34, 149,950.67 and 52,573.39 is: 78,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,055.34 : 149,950.67 = 52,573.39 : x
  2. Step 2: Convert to fraction form
    100,055.34/149,950.67 = 52,573.39/x
  3. Step 3: Cross multiply
    100,055.34x = 149,950.67 × 52,573.39
  4. Step 4: Simplify right side
    100,055.34x = 7,883,414,416.93
  5. Step 5: Solve for x
    x = 7,883,414,416.93/100,055.34
  6. Step 6: Final answer
    x = 78,790.54

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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.