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Finding the Fourth Proportional to 248,853.70, 373,280.55 and 61,865.20

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Solution

The fourth proportional to 248,853.70, 373,280.55 and 61,865.20 is: 92,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,853.70 : 373,280.55 = 61,865.20 : x
  2. Step 2: Convert to fraction form
    248,853.70/373,280.55 = 61,865.20/x
  3. Step 3: Cross multiply
    248,853.70x = 373,280.55 × 61,865.20
  4. Step 4: Simplify right side
    248,853.70x = 23,093,075,881.86
  5. Step 5: Solve for x
    x = 23,093,075,881.86/248,853.70
  6. Step 6: Final answer
    x = 92,797.80

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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.