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Finding the Fourth Proportional to 73,303.45, 109,813.69 and 43,744.93

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Solution

The fourth proportional to 73,303.45, 109,813.69 and 43,744.93 is: 65,532.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,303.45 : 109,813.69 = 43,744.93 : x
  2. Step 2: Convert to fraction form
    73,303.45/109,813.69 = 43,744.93/x
  3. Step 3: Cross multiply
    73,303.45x = 109,813.69 × 43,744.93
  4. Step 4: Simplify right side
    73,303.45x = 4,803,792,182.09
  5. Step 5: Solve for x
    x = 4,803,792,182.09/73,303.45
  6. Step 6: Final answer
    x = 65,532.96

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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.