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Finding the Fourth Proportional to 101,524.76, 140,099.63 and 56,199.54

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Solution

The fourth proportional to 101,524.76, 140,099.63 and 56,199.54 is: 77,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,524.76 : 140,099.63 = 56,199.54 : x
  2. Step 2: Convert to fraction form
    101,524.76/140,099.63 = 56,199.54/x
  3. Step 3: Cross multiply
    101,524.76x = 140,099.63 × 56,199.54
  4. Step 4: Simplify right side
    101,524.76x = 7,873,534,216.49
  5. Step 5: Solve for x
    x = 7,873,534,216.49/101,524.76
  6. Step 6: Final answer
    x = 77,552.85

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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.