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Finding the Fourth Proportional to 176,198.40, 263,757.60 and 97,070.40

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Solution

The fourth proportional to 176,198.40, 263,757.60 and 97,070.40 is: 145,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,198.40 : 263,757.60 = 97,070.40 : x
  2. Step 2: Convert to fraction form
    176,198.40/263,757.60 = 97,070.40/x
  3. Step 3: Cross multiply
    176,198.40x = 263,757.60 × 97,070.40
  4. Step 4: Simplify right side
    176,198.40x = 25,603,055,735.04
  5. Step 5: Solve for x
    x = 25,603,055,735.04/176,198.40
  6. Step 6: Final answer
    x = 145,308.11

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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.