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Finding the Fourth Proportional to 248,840.80, 373,261.20 and 61,852.30

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Solution

The fourth proportional to 248,840.80, 373,261.20 and 61,852.30 is: 92,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,840.80 : 373,261.20 = 61,852.30 : x
  2. Step 2: Convert to fraction form
    248,840.80/373,261.20 = 61,852.30/x
  3. Step 3: Cross multiply
    248,840.80x = 373,261.20 × 61,852.30
  4. Step 4: Simplify right side
    248,840.80x = 23,087,063,720.76
  5. Step 5: Solve for x
    x = 23,087,063,720.76/248,840.80
  6. Step 6: Final answer
    x = 92,778.45

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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.