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Finding the Fourth Proportional to 180,431.01, 270,664.74 and 62,086.77

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Solution

The fourth proportional to 180,431.01, 270,664.74 and 62,086.77 is: 93,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,431.01 : 270,664.74 = 62,086.77 : x
  2. Step 2: Convert to fraction form
    180,431.01/270,664.74 = 62,086.77/x
  3. Step 3: Cross multiply
    180,431.01x = 270,664.74 × 62,086.77
  4. Step 4: Simplify right side
    180,431.01x = 16,804,699,459.49
  5. Step 5: Solve for x
    x = 16,804,699,459.49/180,431.01
  6. Step 6: Final answer
    x = 93,136.43

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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.