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Finding the Fourth Proportional to 248,692.20, 373,038.30 and 61,703.70

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Solution

The fourth proportional to 248,692.20, 373,038.30 and 61,703.70 is: 92,555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,692.20 : 373,038.30 = 61,703.70 : x
  2. Step 2: Convert to fraction form
    248,692.20/373,038.30 = 61,703.70/x
  3. Step 3: Cross multiply
    248,692.20x = 373,038.30 × 61,703.70
  4. Step 4: Simplify right side
    248,692.20x = 23,017,843,351.71
  5. Step 5: Solve for x
    x = 23,017,843,351.71/248,692.20
  6. Step 6: Final answer
    x = 92,555.55

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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.