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Finding the Fourth Proportional to 197,365.89, 296,072.04 and 69,243.08

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Solution

The fourth proportional to 197,365.89, 296,072.04 and 69,243.08 is: 103,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,365.89 : 296,072.04 = 69,243.08 : x
  2. Step 2: Convert to fraction form
    197,365.89/296,072.04 = 69,243.08/x
  3. Step 3: Cross multiply
    197,365.89x = 296,072.04 × 69,243.08
  4. Step 4: Simplify right side
    197,365.89x = 20,500,938,979.25
  5. Step 5: Solve for x
    x = 20,500,938,979.25/197,365.89
  6. Step 6: Final answer
    x = 103,872.76

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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.