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Finding the Fourth Proportional to 72,575.72, 100,165.50 and 44,297.84

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Solution

The fourth proportional to 72,575.72, 100,165.50 and 44,297.84 is: 61,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,575.72 : 100,165.50 = 44,297.84 : x
  2. Step 2: Convert to fraction form
    72,575.72/100,165.50 = 44,297.84/x
  3. Step 3: Cross multiply
    72,575.72x = 100,165.50 × 44,297.84
  4. Step 4: Simplify right side
    72,575.72x = 4,437,115,292.52
  5. Step 5: Solve for x
    x = 4,437,115,292.52/72,575.72
  6. Step 6: Final answer
    x = 61,137.74

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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.