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Finding the Fourth Proportional to 184,958.40, 277,247.52 and 79,688.64

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Solution

The fourth proportional to 184,958.40, 277,247.52 and 79,688.64 is: 119,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,958.40 : 277,247.52 = 79,688.64 : x
  2. Step 2: Convert to fraction form
    184,958.40/277,247.52 = 79,688.64/x
  3. Step 3: Cross multiply
    184,958.40x = 277,247.52 × 79,688.64
  4. Step 4: Simplify right side
    184,958.40x = 22,093,477,812.17
  5. Step 5: Solve for x
    x = 22,093,477,812.17/184,958.40
  6. Step 6: Final answer
    x = 119,451.06

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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.