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Finding the Fourth Proportional to 184,620.80, 277,060.80 and 79,515.20

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Solution

The fourth proportional to 184,620.80, 277,060.80 and 79,515.20 is: 119,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,620.80 : 277,060.80 = 79,515.20 : x
  2. Step 2: Convert to fraction form
    184,620.80/277,060.80 = 79,515.20/x
  3. Step 3: Cross multiply
    184,620.80x = 277,060.80 × 79,515.20
  4. Step 4: Simplify right side
    184,620.80x = 22,030,544,924.16
  5. Step 5: Solve for x
    x = 22,030,544,924.16/184,620.80
  6. Step 6: Final answer
    x = 119,328.62

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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.