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Finding the Fourth Proportional to 127,191, 190,538.28 and 60,539.52

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Solution

The fourth proportional to 127,191, 190,538.28 and 60,539.52 is: 90,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,191 : 190,538.28 = 60,539.52 : x
  2. Step 2: Convert to fraction form
    127,191/190,538.28 = 60,539.52/x
  3. Step 3: Cross multiply
    127,191x = 190,538.28 × 60,539.52
  4. Step 4: Simplify right side
    127,191x = 11,535,096,012.83
  5. Step 5: Solve for x
    x = 11,535,096,012.83/127,191
  6. Step 6: Final answer
    x = 90,691.13

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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.