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Finding the Fourth Proportional to 184,062.80, 276,094.20 and 78,892.40

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Solution

The fourth proportional to 184,062.80, 276,094.20 and 78,892.40 is: 118,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,062.80 : 276,094.20 = 78,892.40 : x
  2. Step 2: Convert to fraction form
    184,062.80/276,094.20 = 78,892.40/x
  3. Step 3: Cross multiply
    184,062.80x = 276,094.20 × 78,892.40
  4. Step 4: Simplify right side
    184,062.80x = 21,781,734,064.08
  5. Step 5: Solve for x
    x = 21,781,734,064.08/184,062.80
  6. Step 6: Final answer
    x = 118,338.60

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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.