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Finding the Fourth Proportional to 295,496.64, 443,005.92 and 92,989.44

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Solution

The fourth proportional to 295,496.64, 443,005.92 and 92,989.44 is: 139,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,496.64 : 443,005.92 = 92,989.44 : x
  2. Step 2: Convert to fraction form
    295,496.64/443,005.92 = 92,989.44/x
  3. Step 3: Cross multiply
    295,496.64x = 443,005.92 × 92,989.44
  4. Step 4: Simplify right side
    295,496.64x = 41,194,872,417.48
  5. Step 5: Solve for x
    x = 41,194,872,417.48/295,496.64
  6. Step 6: Final answer
    x = 139,408.94

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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.