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Finding the Fourth Proportional to 120,548.00, 180,647.04 and 67,844.95

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Solution

The fourth proportional to 120,548.00, 180,647.04 and 67,844.95 is: 101,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,548.00 : 180,647.04 = 67,844.95 : x
  2. Step 2: Convert to fraction form
    120,548.00/180,647.04 = 67,844.95/x
  3. Step 3: Cross multiply
    120,548.00x = 180,647.04 × 67,844.95
  4. Step 4: Simplify right side
    120,548.00x = 12,255,989,199.25
  5. Step 5: Solve for x
    x = 12,255,989,199.25/120,548.00
  6. Step 6: Final answer
    x = 101,668.95

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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.