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Finding the Fourth Proportional to 295,665.40, 443,400.90 and 108,652.60

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Solution

The fourth proportional to 295,665.40, 443,400.90 and 108,652.60 is: 162,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,665.40 : 443,400.90 = 108,652.60 : x
  2. Step 2: Convert to fraction form
    295,665.40/443,400.90 = 108,652.60/x
  3. Step 3: Cross multiply
    295,665.40x = 443,400.90 × 108,652.60
  4. Step 4: Simplify right side
    295,665.40x = 48,176,660,627.34
  5. Step 5: Solve for x
    x = 48,176,660,627.34/295,665.40
  6. Step 6: Final answer
    x = 162,943.18

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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.