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Finding the Fourth Proportional to 293,343.20, 440,014.80 and 106,360.80

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Solution

The fourth proportional to 293,343.20, 440,014.80 and 106,360.80 is: 159,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,343.20 : 440,014.80 = 106,360.80 : x
  2. Step 2: Convert to fraction form
    293,343.20/440,014.80 = 106,360.80/x
  3. Step 3: Cross multiply
    293,343.20x = 440,014.80 × 106,360.80
  4. Step 4: Simplify right side
    293,343.20x = 46,800,326,139.84
  5. Step 5: Solve for x
    x = 46,800,326,139.84/293,343.20
  6. Step 6: Final answer
    x = 159,541.20

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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.