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Finding the Fourth Proportional to 123,069.06, 184,937.11 and 66,950.64

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Solution

The fourth proportional to 123,069.06, 184,937.11 and 66,950.64 is: 100,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,069.06 : 184,937.11 = 66,950.64 : x
  2. Step 2: Convert to fraction form
    123,069.06/184,937.11 = 66,950.64/x
  3. Step 3: Cross multiply
    123,069.06x = 184,937.11 × 66,950.64
  4. Step 4: Simplify right side
    123,069.06x = 12,381,657,874.25
  5. Step 5: Solve for x
    x = 12,381,657,874.25/123,069.06
  6. Step 6: Final answer
    x = 100,607.40

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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.