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Finding the Fourth Proportional to 243,374.40, 365,055.22 and 110,157.54

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Solution

The fourth proportional to 243,374.40, 365,055.22 and 110,157.54 is: 165,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,374.40 : 365,055.22 = 110,157.54 : x
  2. Step 2: Convert to fraction form
    243,374.40/365,055.22 = 110,157.54/x
  3. Step 3: Cross multiply
    243,374.40x = 365,055.22 × 110,157.54
  4. Step 4: Simplify right side
    243,374.40x = 40,213,584,999.36
  5. Step 5: Solve for x
    x = 40,213,584,999.36/243,374.40
  6. Step 6: Final answer
    x = 165,233.42

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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.