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Finding the Fourth Proportional to 132,633.88, 183,044.22 and 74,495.32

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Solution

The fourth proportional to 132,633.88, 183,044.22 and 74,495.32 is: 102,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,633.88 : 183,044.22 = 74,495.32 : x
  2. Step 2: Convert to fraction form
    132,633.88/183,044.22 = 74,495.32/x
  3. Step 3: Cross multiply
    132,633.88x = 183,044.22 × 74,495.32
  4. Step 4: Simplify right side
    132,633.88x = 13,635,937,743.05
  5. Step 5: Solve for x
    x = 13,635,937,743.05/132,633.88
  6. Step 6: Final answer
    x = 102,808.86

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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.