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Finding the Fourth Proportional to 197,203.40, 295,464.90 and 91,806.20

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Solution

The fourth proportional to 197,203.40, 295,464.90 and 91,806.20 is: 137,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,203.40 : 295,464.90 = 91,806.20 : x
  2. Step 2: Convert to fraction form
    197,203.40/295,464.90 = 91,806.20/x
  3. Step 3: Cross multiply
    197,203.40x = 295,464.90 × 91,806.20
  4. Step 4: Simplify right side
    197,203.40x = 27,125,509,702.38
  5. Step 5: Solve for x
    x = 27,125,509,702.38/197,203.40
  6. Step 6: Final answer
    x = 137,550.92

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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.