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Finding the Fourth Proportional to 263,599.42, 363,766.54 and 142,740.70

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Solution

The fourth proportional to 263,599.42, 363,766.54 and 142,740.70 is: 196,981.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,599.42 : 363,766.54 = 142,740.70 : x
  2. Step 2: Convert to fraction form
    263,599.42/363,766.54 = 142,740.70/x
  3. Step 3: Cross multiply
    263,599.42x = 363,766.54 × 142,740.70
  4. Step 4: Simplify right side
    263,599.42x = 51,924,289,289.91
  5. Step 5: Solve for x
    x = 51,924,289,289.91/263,599.42
  6. Step 6: Final answer
    x = 196,981.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.