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Finding the Fourth Proportional to 185,057.80, 277,586.70 and 66,741.10

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Solution

The fourth proportional to 185,057.80, 277,586.70 and 66,741.10 is: 100,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,057.80 : 277,586.70 = 66,741.10 : x
  2. Step 2: Convert to fraction form
    185,057.80/277,586.70 = 66,741.10/x
  3. Step 3: Cross multiply
    185,057.80x = 277,586.70 × 66,741.10
  4. Step 4: Simplify right side
    185,057.80x = 18,526,441,703.37
  5. Step 5: Solve for x
    x = 18,526,441,703.37/185,057.80
  6. Step 6: Final answer
    x = 100,111.65

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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.