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Finding the Fourth Proportional to 295,020.66, 442,519.60 and 84,658.60

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Solution

The fourth proportional to 295,020.66, 442,519.60 and 84,658.60 is: 126,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,020.66 : 442,519.60 = 84,658.60 : x
  2. Step 2: Convert to fraction form
    295,020.66/442,519.60 = 84,658.60/x
  3. Step 3: Cross multiply
    295,020.66x = 442,519.60 × 84,658.60
  4. Step 4: Simplify right side
    295,020.66x = 37,463,089,808.56
  5. Step 5: Solve for x
    x = 37,463,089,808.56/295,020.66
  6. Step 6: Final answer
    x = 126,984.63

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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.