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Finding the Fourth Proportional to 106,291.86, 159,457.41 and 43,967.22

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Solution

The fourth proportional to 106,291.86, 159,457.41 and 43,967.22 is: 65,958.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,291.86 : 159,457.41 = 43,967.22 : x
  2. Step 2: Convert to fraction form
    106,291.86/159,457.41 = 43,967.22/x
  3. Step 3: Cross multiply
    106,291.86x = 159,457.41 × 43,967.22
  4. Step 4: Simplify right side
    106,291.86x = 7,010,899,026.10
  5. Step 5: Solve for x
    x = 7,010,899,026.10/106,291.86
  6. Step 6: Final answer
    x = 65,958.95

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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.