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Finding the Fourth Proportional to 73,539.51, 110,309.25 and 43,965.81

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Solution

The fourth proportional to 73,539.51, 110,309.25 and 43,965.81 is: 65,948.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,539.51 : 110,309.25 = 43,965.81 : x
  2. Step 2: Convert to fraction form
    73,539.51/110,309.25 = 43,965.81/x
  3. Step 3: Cross multiply
    73,539.51x = 110,309.25 × 43,965.81
  4. Step 4: Simplify right side
    73,539.51x = 4,849,835,526.74
  5. Step 5: Solve for x
    x = 4,849,835,526.74/73,539.51
  6. Step 6: Final answer
    x = 65,948.71

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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.