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Finding the Fourth Proportional to 73,165.72, 100,980.30 and 44,494.49

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Solution

The fourth proportional to 73,165.72, 100,980.30 and 44,494.49 is: 61,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,165.72 : 100,980.30 = 44,494.49 : x
  2. Step 2: Convert to fraction form
    73,165.72/100,980.30 = 44,494.49/x
  3. Step 3: Cross multiply
    73,165.72x = 100,980.30 × 44,494.49
  4. Step 4: Simplify right side
    73,165.72x = 4,493,066,948.55
  5. Step 5: Solve for x
    x = 4,493,066,948.55/73,165.72
  6. Step 6: Final answer
    x = 61,409.45

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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.