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Finding the Fourth Proportional to 193,607.56, 290,485.79 and 93,760.07

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Solution

The fourth proportional to 193,607.56, 290,485.79 and 93,760.07 is: 140,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,607.56 : 290,485.79 = 93,760.07 : x
  2. Step 2: Convert to fraction form
    193,607.56/290,485.79 = 93,760.07/x
  3. Step 3: Cross multiply
    193,607.56x = 290,485.79 × 93,760.07
  4. Step 4: Simplify right side
    193,607.56x = 27,235,968,004.41
  5. Step 5: Solve for x
    x = 27,235,968,004.41/193,607.56
  6. Step 6: Final answer
    x = 140,676.16

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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.