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Finding the Fourth Proportional to 70,663.08, 97,474.44 and 44,121

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Solution

The fourth proportional to 70,663.08, 97,474.44 and 44,121 is: 60,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,663.08 : 97,474.44 = 44,121 : x
  2. Step 2: Convert to fraction form
    70,663.08/97,474.44 = 44,121/x
  3. Step 3: Cross multiply
    70,663.08x = 97,474.44 × 44,121
  4. Step 4: Simplify right side
    70,663.08x = 4,300,669,767.24
  5. Step 5: Solve for x
    x = 4,300,669,767.24/70,663.08
  6. Step 6: Final answer
    x = 60,861.62

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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.