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Finding the Fourth Proportional to 73,567.77, 110,352.68 and 20,977.26

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Solution

The fourth proportional to 73,567.77, 110,352.68 and 20,977.26 is: 31,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,567.77 : 110,352.68 = 20,977.26 : x
  2. Step 2: Convert to fraction form
    73,567.77/110,352.68 = 20,977.26/x
  3. Step 3: Cross multiply
    73,567.77x = 110,352.68 × 20,977.26
  4. Step 4: Simplify right side
    73,567.77x = 2,314,896,860.06
  5. Step 5: Solve for x
    x = 2,314,896,860.06/73,567.77
  6. Step 6: Final answer
    x = 31,466.18

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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.