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Finding the Fourth Proportional to 88,668.64, 122,345.97 and 52,861.96

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Solution

The fourth proportional to 88,668.64, 122,345.97 and 52,861.96 is: 72,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,668.64 : 122,345.97 = 52,861.96 : x
  2. Step 2: Convert to fraction form
    88,668.64/122,345.97 = 52,861.96/x
  3. Step 3: Cross multiply
    88,668.64x = 122,345.97 × 52,861.96
  4. Step 4: Simplify right side
    88,668.64x = 6,467,447,772.30
  5. Step 5: Solve for x
    x = 6,467,447,772.30/88,668.64
  6. Step 6: Final answer
    x = 72,939.52

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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.