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Finding the Fourth Proportional to 184,426.60, 276,639.90 and 137,770.60

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Solution

The fourth proportional to 184,426.60, 276,639.90 and 137,770.60 is: 206,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,426.60 : 276,639.90 = 137,770.60 : x
  2. Step 2: Convert to fraction form
    184,426.60/276,639.90 = 137,770.60/x
  3. Step 3: Cross multiply
    184,426.60x = 276,639.90 × 137,770.60
  4. Step 4: Simplify right side
    184,426.60x = 38,112,845,006.94
  5. Step 5: Solve for x
    x = 38,112,845,006.94/184,426.60
  6. Step 6: Final answer
    x = 206,655.90

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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.