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Finding the Fourth Proportional to 197,683.69, 272,798.48 and 110,469.54

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Solution

The fourth proportional to 197,683.69, 272,798.48 and 110,469.54 is: 152,445.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,683.69 : 272,798.48 = 110,469.54 : x
  2. Step 2: Convert to fraction form
    197,683.69/272,798.48 = 110,469.54/x
  3. Step 3: Cross multiply
    197,683.69x = 272,798.48 × 110,469.54
  4. Step 4: Simplify right side
    197,683.69x = 30,135,922,598.30
  5. Step 5: Solve for x
    x = 30,135,922,598.30/197,683.69
  6. Step 6: Final answer
    x = 152,445.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.