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Finding the Fourth Proportional to 73,794.51, 110,732.76 and 45,729.81

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Solution

The fourth proportional to 73,794.51, 110,732.76 and 45,729.81 is: 68,620.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,794.51 : 110,732.76 = 45,729.81 : x
  2. Step 2: Convert to fraction form
    73,794.51/110,732.76 = 45,729.81/x
  3. Step 3: Cross multiply
    73,794.51x = 110,732.76 × 45,729.81
  4. Step 4: Simplify right side
    73,794.51x = 5,063,788,075.58
  5. Step 5: Solve for x
    x = 5,063,788,075.58/73,794.51
  6. Step 6: Final answer
    x = 68,620.12

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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.