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Finding the Fourth Proportional to 88,755.64, 122,498.61 and 52,455.61

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Solution

The fourth proportional to 88,755.64, 122,498.61 and 52,455.61 is: 72,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,755.64 : 122,498.61 = 52,455.61 : x
  2. Step 2: Convert to fraction form
    88,755.64/122,498.61 = 52,455.61/x
  3. Step 3: Cross multiply
    88,755.64x = 122,498.61 × 52,455.61
  4. Step 4: Simplify right side
    88,755.64x = 6,425,739,311.70
  5. Step 5: Solve for x
    x = 6,425,739,311.70/88,755.64
  6. Step 6: Final answer
    x = 72,398.10

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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.