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Finding the Fourth Proportional to 200,661.37, 301,023.07 and 67,531.19

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Solution

The fourth proportional to 200,661.37, 301,023.07 and 67,531.19 is: 101,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,661.37 : 301,023.07 = 67,531.19 : x
  2. Step 2: Convert to fraction form
    200,661.37/301,023.07 = 67,531.19/x
  3. Step 3: Cross multiply
    200,661.37x = 301,023.07 × 67,531.19
  4. Step 4: Simplify right side
    200,661.37x = 20,328,444,460.61
  5. Step 5: Solve for x
    x = 20,328,444,460.61/200,661.37
  6. Step 6: Final answer
    x = 101,307.22

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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.