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Finding the Fourth Proportional to 119,704.22, 165,189.80 and 65,256.98

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Solution

The fourth proportional to 119,704.22, 165,189.80 and 65,256.98 is: 90,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,704.22 : 165,189.80 = 65,256.98 : x
  2. Step 2: Convert to fraction form
    119,704.22/165,189.80 = 65,256.98/x
  3. Step 3: Cross multiply
    119,704.22x = 165,189.80 × 65,256.98
  4. Step 4: Simplify right side
    119,704.22x = 10,779,787,474.80
  5. Step 5: Solve for x
    x = 10,779,787,474.80/119,704.22
  6. Step 6: Final answer
    x = 90,053.53

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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.