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Finding the Fourth Proportional to 184,816.80, 277,354.80 and 79,711.20

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Solution

The fourth proportional to 184,816.80, 277,354.80 and 79,711.20 is: 119,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,816.80 : 277,354.80 = 79,711.20 : x
  2. Step 2: Convert to fraction form
    184,816.80/277,354.80 = 79,711.20/x
  3. Step 3: Cross multiply
    184,816.80x = 277,354.80 × 79,711.20
  4. Step 4: Simplify right side
    184,816.80x = 22,108,283,933.76
  5. Step 5: Solve for x
    x = 22,108,283,933.76/184,816.80
  6. Step 6: Final answer
    x = 119,622.70

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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.