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Finding the Fourth Proportional to 135,842.58, 203,498.79 and 88,953.30

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Solution

The fourth proportional to 135,842.58, 203,498.79 and 88,953.30 is: 133,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,842.58 : 203,498.79 = 88,953.30 : x
  2. Step 2: Convert to fraction form
    135,842.58/203,498.79 = 88,953.30/x
  3. Step 3: Cross multiply
    135,842.58x = 203,498.79 × 88,953.30
  4. Step 4: Simplify right side
    135,842.58x = 18,101,888,916.51
  5. Step 5: Solve for x
    x = 18,101,888,916.51/135,842.58
  6. Step 6: Final answer
    x = 133,256.37

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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.