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Finding the Fourth Proportional to 236,617.68, 354,822.12 and 88,770

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Solution

The fourth proportional to 236,617.68, 354,822.12 and 88,770 is: 133,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,617.68 : 354,822.12 = 88,770 : x
  2. Step 2: Convert to fraction form
    236,617.68/354,822.12 = 88,770/x
  3. Step 3: Cross multiply
    236,617.68x = 354,822.12 × 88,770
  4. Step 4: Simplify right side
    236,617.68x = 31,497,559,592.40
  5. Step 5: Solve for x
    x = 31,497,559,592.40/236,617.68
  6. Step 6: Final answer
    x = 133,115.83

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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.