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Finding the Fourth Proportional to 295,664.80, 443,497.20 and 108,637.60

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Solution

The fourth proportional to 295,664.80, 443,497.20 and 108,637.60 is: 162,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,664.80 : 443,497.20 = 108,637.60 : x
  2. Step 2: Convert to fraction form
    295,664.80/443,497.20 = 108,637.60/x
  3. Step 3: Cross multiply
    295,664.80x = 443,497.20 × 108,637.60
  4. Step 4: Simplify right side
    295,664.80x = 48,180,471,414.72
  5. Step 5: Solve for x
    x = 48,180,471,414.72/295,664.80
  6. Step 6: Final answer
    x = 162,956.40

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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.