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Finding the Fourth Proportional to 184,438.60, 276,657.90 and 66,113.80

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Solution

The fourth proportional to 184,438.60, 276,657.90 and 66,113.80 is: 99,170.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,438.60 : 276,657.90 = 66,113.80 : x
  2. Step 2: Convert to fraction form
    184,438.60/276,657.90 = 66,113.80/x
  3. Step 3: Cross multiply
    184,438.60x = 276,657.90 × 66,113.80
  4. Step 4: Simplify right side
    184,438.60x = 18,290,905,069.02
  5. Step 5: Solve for x
    x = 18,290,905,069.02/184,438.60
  6. Step 6: Final answer
    x = 99,170.70

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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.