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Finding the Fourth Proportional to 123,068.52, 184,936.32 and 66,950.10

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Solution

The fourth proportional to 123,068.52, 184,936.32 and 66,950.10 is: 100,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,068.52 : 184,936.32 = 66,950.10 : x
  2. Step 2: Convert to fraction form
    123,068.52/184,936.32 = 66,950.10/x
  3. Step 3: Cross multiply
    123,068.52x = 184,936.32 × 66,950.10
  4. Step 4: Simplify right side
    123,068.52x = 12,381,505,117.63
  5. Step 5: Solve for x
    x = 12,381,505,117.63/123,068.52
  6. Step 6: Final answer
    x = 100,606.60

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1.5x scale

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.