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Finding the Fourth Proportional to 141,751.69, 212,628.44 and 36,571.57

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Solution

The fourth proportional to 141,751.69, 212,628.44 and 36,571.57 is: 54,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,751.69 : 212,628.44 = 36,571.57 : x
  2. Step 2: Convert to fraction form
    141,751.69/212,628.44 = 36,571.57/x
  3. Step 3: Cross multiply
    141,751.69x = 212,628.44 × 36,571.57
  4. Step 4: Simplify right side
    141,751.69x = 7,776,155,437.31
  5. Step 5: Solve for x
    x = 7,776,155,437.31/141,751.69
  6. Step 6: Final answer
    x = 54,857.59

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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.