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Finding the Fourth Proportional to 72,501.90, 100,046.07 and 44,201.94

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Solution

The fourth proportional to 72,501.90, 100,046.07 and 44,201.94 is: 60,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,501.90 : 100,046.07 = 44,201.94 : x
  2. Step 2: Convert to fraction form
    72,501.90/100,046.07 = 44,201.94/x
  3. Step 3: Cross multiply
    72,501.90x = 100,046.07 × 44,201.94
  4. Step 4: Simplify right side
    72,501.90x = 4,422,230,383.38
  5. Step 5: Solve for x
    x = 4,422,230,383.38/72,501.90
  6. Step 6: Final answer
    x = 60,994.68

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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.