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Finding the Fourth Proportional to 88,670.64, 122,348.72 and 52,863.96

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Solution

The fourth proportional to 88,670.64, 122,348.72 and 52,863.96 is: 72,942.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,670.64 : 122,348.72 = 52,863.96 : x
  2. Step 2: Convert to fraction form
    88,670.64/122,348.72 = 52,863.96/x
  3. Step 3: Cross multiply
    88,670.64x = 122,348.72 × 52,863.96
  4. Step 4: Simplify right side
    88,670.64x = 6,467,837,840.13
  5. Step 5: Solve for x
    x = 6,467,837,840.13/88,670.64
  6. Step 6: Final answer
    x = 72,942.27

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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.