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Finding the Fourth Proportional to 198,020.40, 297,030.60 and 184,023.60

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Solution

The fourth proportional to 198,020.40, 297,030.60 and 184,023.60 is: 276,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,020.40 : 297,030.60 = 184,023.60 : x
  2. Step 2: Convert to fraction form
    198,020.40/297,030.60 = 184,023.60/x
  3. Step 3: Cross multiply
    198,020.40x = 297,030.60 × 184,023.60
  4. Step 4: Simplify right side
    198,020.40x = 54,660,640,322.16
  5. Step 5: Solve for x
    x = 54,660,640,322.16/198,020.40
  6. Step 6: Final answer
    x = 276,035.40

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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.