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Finding the Fourth Proportional to 123,605.39, 184,900.49 and 98,694.08

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Solution

The fourth proportional to 123,605.39, 184,900.49 and 98,694.08 is: 147,635.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,605.39 : 184,900.49 = 98,694.08 : x
  2. Step 2: Convert to fraction form
    123,605.39/184,900.49 = 98,694.08/x
  3. Step 3: Cross multiply
    123,605.39x = 184,900.49 × 98,694.08
  4. Step 4: Simplify right side
    123,605.39x = 18,248,583,258.63
  5. Step 5: Solve for x
    x = 18,248,583,258.63/123,605.39
  6. Step 6: Final answer
    x = 147,635.82

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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.