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Finding the Fourth Proportional to 235,804.88, 325,435.33 and 133,857.87

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Solution

The fourth proportional to 235,804.88, 325,435.33 and 133,857.87 is: 184,737.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,804.88 : 325,435.33 = 133,857.87 : x
  2. Step 2: Convert to fraction form
    235,804.88/325,435.33 = 133,857.87/x
  3. Step 3: Cross multiply
    235,804.88x = 325,435.33 × 133,857.87
  4. Step 4: Simplify right side
    235,804.88x = 43,562,080,263.87
  5. Step 5: Solve for x
    x = 43,562,080,263.87/235,804.88
  6. Step 6: Final answer
    x = 184,737.83

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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.