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Finding the Fourth Proportional to 295,807.80, 443,625.30 and 106,246.20

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Solution

The fourth proportional to 295,807.80, 443,625.30 and 106,246.20 is: 159,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,807.80 : 443,625.30 = 106,246.20 : x
  2. Step 2: Convert to fraction form
    295,807.80/443,625.30 = 106,246.20/x
  3. Step 3: Cross multiply
    295,807.80x = 443,625.30 × 106,246.20
  4. Step 4: Simplify right side
    295,807.80x = 47,133,502,348.86
  5. Step 5: Solve for x
    x = 47,133,502,348.86/295,807.80
  6. Step 6: Final answer
    x = 159,338.27

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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.