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Finding the Fourth Proportional to 295,737.60, 443,606.40 and 108,724.80

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Solution

The fourth proportional to 295,737.60, 443,606.40 and 108,724.80 is: 163,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,737.60 : 443,606.40 = 108,724.80 : x
  2. Step 2: Convert to fraction form
    295,737.60/443,606.40 = 108,724.80/x
  3. Step 3: Cross multiply
    295,737.60x = 443,606.40 × 108,724.80
  4. Step 4: Simplify right side
    295,737.60x = 48,231,017,118.72
  5. Step 5: Solve for x
    x = 48,231,017,118.72/295,737.60
  6. Step 6: Final answer
    x = 163,087.20

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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.