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Finding the Fourth Proportional to 295,453.80, 443,094.30 and 105,892.20

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Solution

The fourth proportional to 295,453.80, 443,094.30 and 105,892.20 is: 158,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,453.80 : 443,094.30 = 105,892.20 : x
  2. Step 2: Convert to fraction form
    295,453.80/443,094.30 = 105,892.20/x
  3. Step 3: Cross multiply
    295,453.80x = 443,094.30 × 105,892.20
  4. Step 4: Simplify right side
    295,453.80x = 46,920,230,234.46
  5. Step 5: Solve for x
    x = 46,920,230,234.46/295,453.80
  6. Step 6: Final answer
    x = 158,807.33

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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.