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Finding the Fourth Proportional to 134,325.87, 185,363.85 and 73,892.69

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Solution

The fourth proportional to 134,325.87, 185,363.85 and 73,892.69 is: 101,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,325.87 : 185,363.85 = 73,892.69 : x
  2. Step 2: Convert to fraction form
    134,325.87/185,363.85 = 73,892.69/x
  3. Step 3: Cross multiply
    134,325.87x = 185,363.85 × 73,892.69
  4. Step 4: Simplify right side
    134,325.87x = 13,697,032,578.44
  5. Step 5: Solve for x
    x = 13,697,032,578.44/134,325.87
  6. Step 6: Final answer
    x = 101,968.69

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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.