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Finding the Fourth Proportional to 200,756.61, 301,058.37 and 67,601.12

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Solution

The fourth proportional to 200,756.61, 301,058.37 and 67,601.12 is: 101,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,756.61 : 301,058.37 = 67,601.12 : x
  2. Step 2: Convert to fraction form
    200,756.61/301,058.37 = 67,601.12/x
  3. Step 3: Cross multiply
    200,756.61x = 301,058.37 × 67,601.12
  4. Step 4: Simplify right side
    200,756.61x = 20,351,881,492.08
  5. Step 5: Solve for x
    x = 20,351,881,492.08/200,756.61
  6. Step 6: Final answer
    x = 101,375.90

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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.