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Finding the Fourth Proportional to 132,653, 183,182.77 and 84,270.55

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Solution

The fourth proportional to 132,653, 183,182.77 and 84,270.55 is: 116,370.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,653 : 183,182.77 = 84,270.55 : x
  2. Step 2: Convert to fraction form
    132,653/183,182.77 = 84,270.55/x
  3. Step 3: Cross multiply
    132,653x = 183,182.77 × 84,270.55
  4. Step 4: Simplify right side
    132,653x = 15,436,912,778.42
  5. Step 5: Solve for x
    x = 15,436,912,778.42/132,653
  6. Step 6: Final answer
    x = 116,370.63

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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.