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Finding the Fourth Proportional to 123,325.68, 184,988.61 and 29,831.52

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Solution

The fourth proportional to 123,325.68, 184,988.61 and 29,831.52 is: 44,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,325.68 : 184,988.61 = 29,831.52 : x
  2. Step 2: Convert to fraction form
    123,325.68/184,988.61 = 29,831.52/x
  3. Step 3: Cross multiply
    123,325.68x = 184,988.61 × 29,831.52
  4. Step 4: Simplify right side
    123,325.68x = 5,518,491,418.99
  5. Step 5: Solve for x
    x = 5,518,491,418.99/123,325.68
  6. Step 6: Final answer
    x = 44,747.30

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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.