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Finding the Fourth Proportional to 184,496.40, 276,809.40 and 66,171.60

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Solution

The fourth proportional to 184,496.40, 276,809.40 and 66,171.60 is: 99,280.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,496.40 : 276,809.40 = 66,171.60 : x
  2. Step 2: Convert to fraction form
    184,496.40/276,809.40 = 66,171.60/x
  3. Step 3: Cross multiply
    184,496.40x = 276,809.40 × 66,171.60
  4. Step 4: Simplify right side
    184,496.40x = 18,316,920,893.04
  5. Step 5: Solve for x
    x = 18,316,920,893.04/184,496.40
  6. Step 6: Final answer
    x = 99,280.64

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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.