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Finding the Fourth Proportional to 193,991.56, 290,999.62 and 60,877.06

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Solution

The fourth proportional to 193,991.56, 290,999.62 and 60,877.06 is: 91,319.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,991.56 : 290,999.62 = 60,877.06 : x
  2. Step 2: Convert to fraction form
    193,991.56/290,999.62 = 60,877.06/x
  3. Step 3: Cross multiply
    193,991.56x = 290,999.62 × 60,877.06
  4. Step 4: Simplify right side
    193,991.56x = 17,715,201,326.72
  5. Step 5: Solve for x
    x = 17,715,201,326.72/193,991.56
  6. Step 6: Final answer
    x = 91,319.44

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1.5x scale

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.