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Finding the Fourth Proportional to 119,835.56, 165,343.56 and 73,256.66

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Solution

The fourth proportional to 119,835.56, 165,343.56 and 73,256.66 is: 101,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,835.56 : 165,343.56 = 73,256.66 : x
  2. Step 2: Convert to fraction form
    119,835.56/165,343.56 = 73,256.66/x
  3. Step 3: Cross multiply
    119,835.56x = 165,343.56 × 73,256.66
  4. Step 4: Simplify right side
    119,835.56x = 12,112,516,131.39
  5. Step 5: Solve for x
    x = 12,112,516,131.39/119,835.56
  6. Step 6: Final answer
    x = 101,076.15

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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.