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Finding the Fourth Proportional to 104,755.60, 157,335 and 89,796.88

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Solution

The fourth proportional to 104,755.60, 157,335 and 89,796.88 is: 134,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,755.60 : 157,335 = 89,796.88 : x
  2. Step 2: Convert to fraction form
    104,755.60/157,335 = 89,796.88/x
  3. Step 3: Cross multiply
    104,755.60x = 157,335 × 89,796.88
  4. Step 4: Simplify right side
    104,755.60x = 14,128,192,114.80
  5. Step 5: Solve for x
    x = 14,128,192,114.80/104,755.60
  6. Step 6: Final answer
    x = 134,868.13

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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.