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Finding the Fourth Proportional to 132,580.94, 183,024.25 and 84,861.95

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Solution

The fourth proportional to 132,580.94, 183,024.25 and 84,861.95 is: 117,149.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,580.94 : 183,024.25 = 84,861.95 : x
  2. Step 2: Convert to fraction form
    132,580.94/183,024.25 = 84,861.95/x
  3. Step 3: Cross multiply
    132,580.94x = 183,024.25 × 84,861.95
  4. Step 4: Simplify right side
    132,580.94x = 15,531,793,625.01
  5. Step 5: Solve for x
    x = 15,531,793,625.01/132,580.94
  6. Step 6: Final answer
    x = 117,149.53

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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.