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Finding the Fourth Proportional to 355,609.56, 533,303.61 and 118,896.88

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Solution

The fourth proportional to 355,609.56, 533,303.61 and 118,896.88 is: 178,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,609.56 : 533,303.61 = 118,896.88 : x
  2. Step 2: Convert to fraction form
    355,609.56/533,303.61 = 118,896.88/x
  3. Step 3: Cross multiply
    355,609.56x = 533,303.61 × 118,896.88
  4. Step 4: Simplify right side
    355,609.56x = 63,408,135,321.74
  5. Step 5: Solve for x
    x = 63,408,135,321.74/355,609.56
  6. Step 6: Final answer
    x = 178,308.30

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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.