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Finding the Fourth Proportional to 75,191.63, 103,764.44 and 44,978.22

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Solution

The fourth proportional to 75,191.63, 103,764.44 and 44,978.22 is: 62,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,191.63 : 103,764.44 = 44,978.22 : x
  2. Step 2: Convert to fraction form
    75,191.63/103,764.44 = 44,978.22/x
  3. Step 3: Cross multiply
    75,191.63x = 103,764.44 × 44,978.22
  4. Step 4: Simplify right side
    75,191.63x = 4,667,139,922.94
  5. Step 5: Solve for x
    x = 4,667,139,922.94/75,191.63
  6. Step 6: Final answer
    x = 62,069.94

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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.