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Finding the Fourth Proportional to 123,025.84, 184,538.66 and 94,986.68

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Solution

The fourth proportional to 123,025.84, 184,538.66 and 94,986.68 is: 142,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,025.84 : 184,538.66 = 94,986.68 : x
  2. Step 2: Convert to fraction form
    123,025.84/184,538.66 = 94,986.68/x
  3. Step 3: Cross multiply
    123,025.84x = 184,538.66 × 94,986.68
  4. Step 4: Simplify right side
    123,025.84x = 17,528,713,247.42
  5. Step 5: Solve for x
    x = 17,528,713,247.42/123,025.84
  6. Step 6: Final answer
    x = 142,479.93

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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.