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Finding the Fourth Proportional to 122,920.93, 184,468.88 and 94,869.01

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Solution

The fourth proportional to 122,920.93, 184,468.88 and 94,869.01 is: 142,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,920.93 : 184,468.88 = 94,869.01 : x
  2. Step 2: Convert to fraction form
    122,920.93/184,468.88 = 94,869.01/x
  3. Step 3: Cross multiply
    122,920.93x = 184,468.88 × 94,869.01
  4. Step 4: Simplify right side
    122,920.93x = 17,500,380,021.41
  5. Step 5: Solve for x
    x = 17,500,380,021.41/122,920.93
  6. Step 6: Final answer
    x = 142,371.03

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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.