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Finding the Fourth Proportional to 64,861.32, 97,162.38 and 59,379.24

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Solution

The fourth proportional to 64,861.32, 97,162.38 and 59,379.24 is: 88,950.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,861.32 : 97,162.38 = 59,379.24 : x
  2. Step 2: Convert to fraction form
    64,861.32/97,162.38 = 59,379.24/x
  3. Step 3: Cross multiply
    64,861.32x = 97,162.38 × 59,379.24
  4. Step 4: Simplify right side
    64,861.32x = 5,769,428,280.99
  5. Step 5: Solve for x
    x = 5,769,428,280.99/64,861.32
  6. Step 6: Final answer
    x = 88,950.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.