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Finding the Fourth Proportional to 197,116.40, 295,674.60 and 113,135.60

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Solution

The fourth proportional to 197,116.40, 295,674.60 and 113,135.60 is: 169,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,116.40 : 295,674.60 = 113,135.60 : x
  2. Step 2: Convert to fraction form
    197,116.40/295,674.60 = 113,135.60/x
  3. Step 3: Cross multiply
    197,116.40x = 295,674.60 × 113,135.60
  4. Step 4: Simplify right side
    197,116.40x = 33,451,323,275.76
  5. Step 5: Solve for x
    x = 33,451,323,275.76/197,116.40
  6. Step 6: Final answer
    x = 169,703.40

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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.