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Finding the Fourth Proportional to 73,444.19, 101,353.62 and 39,910.19

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Solution

The fourth proportional to 73,444.19, 101,353.62 and 39,910.19 is: 55,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,444.19 : 101,353.62 = 39,910.19 : x
  2. Step 2: Convert to fraction form
    73,444.19/101,353.62 = 39,910.19/x
  3. Step 3: Cross multiply
    73,444.19x = 101,353.62 × 39,910.19
  4. Step 4: Simplify right side
    73,444.19x = 4,045,042,231.39
  5. Step 5: Solve for x
    x = 4,045,042,231.39/73,444.19
  6. Step 6: Final answer
    x = 55,076.41

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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.