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Finding the Fourth Proportional to 201,571.02, 302,400.28 and 61,326

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Solution

The fourth proportional to 201,571.02, 302,400.28 and 61,326 is: 92,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,571.02 : 302,400.28 = 61,326 : x
  2. Step 2: Convert to fraction form
    201,571.02/302,400.28 = 61,326/x
  3. Step 3: Cross multiply
    201,571.02x = 302,400.28 × 61,326
  4. Step 4: Simplify right side
    201,571.02x = 18,544,999,571.28
  5. Step 5: Solve for x
    x = 18,544,999,571.28/201,571.02
  6. Step 6: Final answer
    x = 92,002.31

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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.