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Finding the Fourth Proportional to 197,129.70, 295,694.55 and 118,332.90

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Solution

The fourth proportional to 197,129.70, 295,694.55 and 118,332.90 is: 177,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,129.70 : 295,694.55 = 118,332.90 : x
  2. Step 2: Convert to fraction form
    197,129.70/295,694.55 = 118,332.90/x
  3. Step 3: Cross multiply
    197,129.70x = 295,694.55 × 118,332.90
  4. Step 4: Simplify right side
    197,129.70x = 34,990,393,615.70
  5. Step 5: Solve for x
    x = 34,990,393,615.70/197,129.70
  6. Step 6: Final answer
    x = 177,499.35

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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.