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Finding the Fourth Proportional to 184,428.60, 276,642.90 and 66,233.40

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Solution

The fourth proportional to 184,428.60, 276,642.90 and 66,233.40 is: 99,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,428.60 : 276,642.90 = 66,233.40 : x
  2. Step 2: Convert to fraction form
    184,428.60/276,642.90 = 66,233.40/x
  3. Step 3: Cross multiply
    184,428.60x = 276,642.90 × 66,233.40
  4. Step 4: Simplify right side
    184,428.60x = 18,322,999,852.86
  5. Step 5: Solve for x
    x = 18,322,999,852.86/184,428.60
  6. Step 6: Final answer
    x = 99,350.10

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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.