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Finding the Fourth Proportional to 69,492.87, 104,383.77 and 56,180.94

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Solution

The fourth proportional to 69,492.87, 104,383.77 and 56,180.94 is: 84,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,492.87 : 104,383.77 = 56,180.94 : x
  2. Step 2: Convert to fraction form
    69,492.87/104,383.77 = 56,180.94/x
  3. Step 3: Cross multiply
    69,492.87x = 104,383.77 × 56,180.94
  4. Step 4: Simplify right side
    69,492.87x = 5,864,378,319.34
  5. Step 5: Solve for x
    x = 5,864,378,319.34/69,492.87
  6. Step 6: Final answer
    x = 84,388.20

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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.