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Finding the Fourth Proportional to 248,603.74, 343,075.41 and 150,489.23

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Solution

The fourth proportional to 248,603.74, 343,075.41 and 150,489.23 is: 207,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,603.74 : 343,075.41 = 150,489.23 : x
  2. Step 2: Convert to fraction form
    248,603.74/343,075.41 = 150,489.23/x
  3. Step 3: Cross multiply
    248,603.74x = 343,075.41 × 150,489.23
  4. Step 4: Simplify right side
    248,603.74x = 51,629,154,282.83
  5. Step 5: Solve for x
    x = 51,629,154,282.83/248,603.74
  6. Step 6: Final answer
    x = 207,676.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.