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Finding the Fourth Proportional to 70,847.66, 97,741.99 and 40,616.84

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Solution

The fourth proportional to 70,847.66, 97,741.99 and 40,616.84 is: 56,035.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,847.66 : 97,741.99 = 40,616.84 : x
  2. Step 2: Convert to fraction form
    70,847.66/97,741.99 = 40,616.84/x
  3. Step 3: Cross multiply
    70,847.66x = 97,741.99 × 40,616.84
  4. Step 4: Simplify right side
    70,847.66x = 3,969,971,064.24
  5. Step 5: Solve for x
    x = 3,969,971,064.24/70,847.66
  6. Step 6: Final answer
    x = 56,035.31

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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.