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Finding the Fourth Proportional to 248,075.76, 372,115.95 and 79,596.45

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Solution

The fourth proportional to 248,075.76, 372,115.95 and 79,596.45 is: 119,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,075.76 : 372,115.95 = 79,596.45 : x
  2. Step 2: Convert to fraction form
    248,075.76/372,115.95 = 79,596.45/x
  3. Step 3: Cross multiply
    248,075.76x = 372,115.95 × 79,596.45
  4. Step 4: Simplify right side
    248,075.76x = 29,619,108,608.38
  5. Step 5: Solve for x
    x = 29,619,108,608.38/248,075.76
  6. Step 6: Final answer
    x = 119,395.42

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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.