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Finding the Fourth Proportional to 295,808.60, 443,712.90 and 108,795.80

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Solution

The fourth proportional to 295,808.60, 443,712.90 and 108,795.80 is: 163,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,808.60 : 443,712.90 = 108,795.80 : x
  2. Step 2: Convert to fraction form
    295,808.60/443,712.90 = 108,795.80/x
  3. Step 3: Cross multiply
    295,808.60x = 443,712.90 × 108,795.80
  4. Step 4: Simplify right side
    295,808.60x = 48,274,099,925.82
  5. Step 5: Solve for x
    x = 48,274,099,925.82/295,808.60
  6. Step 6: Final answer
    x = 163,193.70

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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.