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Finding the Fourth Proportional to 101,777.37, 140,449.44 and 61,484.10

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Solution

The fourth proportional to 101,777.37, 140,449.44 and 61,484.10 is: 84,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,777.37 : 140,449.44 = 61,484.10 : x
  2. Step 2: Convert to fraction form
    101,777.37/140,449.44 = 61,484.10/x
  3. Step 3: Cross multiply
    101,777.37x = 140,449.44 × 61,484.10
  4. Step 4: Simplify right side
    101,777.37x = 8,635,407,413.90
  5. Step 5: Solve for x
    x = 8,635,407,413.90/101,777.37
  6. Step 6: Final answer
    x = 84,846.05

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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.