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Finding the Fourth Proportional to 177,168.48, 265,779.47 and 57,185.31

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Solution

The fourth proportional to 177,168.48, 265,779.47 and 57,185.31 is: 85,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,168.48 : 265,779.47 = 57,185.31 : x
  2. Step 2: Convert to fraction form
    177,168.48/265,779.47 = 57,185.31/x
  3. Step 3: Cross multiply
    177,168.48x = 265,779.47 × 57,185.31
  4. Step 4: Simplify right side
    177,168.48x = 15,198,681,383.59
  5. Step 5: Solve for x
    x = 15,198,681,383.59/177,168.48
  6. Step 6: Final answer
    x = 85,786.60

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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.