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Finding the Fourth Proportional to 70,245.77, 96,941.83 and 40,035.86

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Solution

The fourth proportional to 70,245.77, 96,941.83 and 40,035.86 is: 55,251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,245.77 : 96,941.83 = 40,035.86 : x
  2. Step 2: Convert to fraction form
    70,245.77/96,941.83 = 40,035.86/x
  3. Step 3: Cross multiply
    70,245.77x = 96,941.83 × 40,035.86
  4. Step 4: Simplify right side
    70,245.77x = 3,881,149,534.02
  5. Step 5: Solve for x
    x = 3,881,149,534.02/70,245.77
  6. Step 6: Final answer
    x = 55,251.01

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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.