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Finding the Fourth Proportional to 61,137.20, 91,703.63 and 16,763.24

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Solution

The fourth proportional to 61,137.20, 91,703.63 and 16,763.24 is: 25,144.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,137.20 : 91,703.63 = 16,763.24 : x
  2. Step 2: Convert to fraction form
    61,137.20/91,703.63 = 16,763.24/x
  3. Step 3: Cross multiply
    61,137.20x = 91,703.63 × 16,763.24
  4. Step 4: Simplify right side
    61,137.20x = 1,537,249,416.23
  5. Step 5: Solve for x
    x = 1,537,249,416.23/61,137.20
  6. Step 6: Final answer
    x = 25,144.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.