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Finding the Fourth Proportional to 295,679.40, 443,421.90 and 108,666.60

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Solution

The fourth proportional to 295,679.40, 443,421.90 and 108,666.60 is: 162,964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,679.40 : 443,421.90 = 108,666.60 : x
  2. Step 2: Convert to fraction form
    295,679.40/443,421.90 = 108,666.60/x
  3. Step 3: Cross multiply
    295,679.40x = 443,421.90 × 108,666.60
  4. Step 4: Simplify right side
    295,679.40x = 48,185,150,238.54
  5. Step 5: Solve for x
    x = 48,185,150,238.54/295,679.40
  6. Step 6: Final answer
    x = 162,964.18

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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.