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Finding the Fourth Proportional to 117,259.44, 175,905.60 and 38,379.92

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Solution

The fourth proportional to 117,259.44, 175,905.60 and 38,379.92 is: 57,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,259.44 : 175,905.60 = 38,379.92 : x
  2. Step 2: Convert to fraction form
    117,259.44/175,905.60 = 38,379.92/x
  3. Step 3: Cross multiply
    117,259.44x = 175,905.60 × 38,379.92
  4. Step 4: Simplify right side
    117,259.44x = 6,751,242,855.55
  5. Step 5: Solve for x
    x = 6,751,242,855.55/117,259.44
  6. Step 6: Final answer
    x = 57,575.26

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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.