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Finding the Fourth Proportional to 295,498.64, 443,008.92 and 92,991.44

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Solution

The fourth proportional to 295,498.64, 443,008.92 and 92,991.44 is: 139,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,498.64 : 443,008.92 = 92,991.44 : x
  2. Step 2: Convert to fraction form
    295,498.64/443,008.92 = 92,991.44/x
  3. Step 3: Cross multiply
    295,498.64x = 443,008.92 × 92,991.44
  4. Step 4: Simplify right side
    295,498.64x = 41,196,037,403.64
  5. Step 5: Solve for x
    x = 41,196,037,403.64/295,498.64
  6. Step 6: Final answer
    x = 139,411.94

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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.