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Finding the Fourth Proportional to 185,051.66, 277,446.06 and 79,900.70

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Solution

The fourth proportional to 185,051.66, 277,446.06 and 79,900.70 is: 119,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,051.66 : 277,446.06 = 79,900.70 : x
  2. Step 2: Convert to fraction form
    185,051.66/277,446.06 = 79,900.70/x
  3. Step 3: Cross multiply
    185,051.66x = 277,446.06 × 79,900.70
  4. Step 4: Simplify right side
    185,051.66x = 22,168,133,019.01
  5. Step 5: Solve for x
    x = 22,168,133,019.01/185,051.66
  6. Step 6: Final answer
    x = 119,794.30

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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.