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Finding the Fourth Proportional to 141,796.56, 212,540.09 and 69,799.02

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Solution

The fourth proportional to 141,796.56, 212,540.09 and 69,799.02 is: 104,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,796.56 : 212,540.09 = 69,799.02 : x
  2. Step 2: Convert to fraction form
    141,796.56/212,540.09 = 69,799.02/x
  3. Step 3: Cross multiply
    141,796.56x = 212,540.09 × 69,799.02
  4. Step 4: Simplify right side
    141,796.56x = 14,835,089,362.00
  5. Step 5: Solve for x
    x = 14,835,089,362.00/141,796.56
  6. Step 6: Final answer
    x = 104,622.35

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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.