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Finding the Fourth Proportional to 127,296.62, 190,654.06 and 60,783.33

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Solution

The fourth proportional to 127,296.62, 190,654.06 and 60,783.33 is: 91,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,296.62 : 190,654.06 = 60,783.33 : x
  2. Step 2: Convert to fraction form
    127,296.62/190,654.06 = 60,783.33/x
  3. Step 3: Cross multiply
    127,296.62x = 190,654.06 × 60,783.33
  4. Step 4: Simplify right side
    127,296.62x = 11,588,589,121.45
  5. Step 5: Solve for x
    x = 11,588,589,121.45/127,296.62
  6. Step 6: Final answer
    x = 91,036.11

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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.