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Finding the Fourth Proportional to 100,861.70, 151,277.63 and 37,673.91

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Solution

The fourth proportional to 100,861.70, 151,277.63 and 37,673.91 is: 56,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,861.70 : 151,277.63 = 37,673.91 : x
  2. Step 2: Convert to fraction form
    100,861.70/151,277.63 = 37,673.91/x
  3. Step 3: Cross multiply
    100,861.70x = 151,277.63 × 37,673.91
  4. Step 4: Simplify right side
    100,861.70x = 5,699,219,629.26
  5. Step 5: Solve for x
    x = 5,699,219,629.26/100,861.70
  6. Step 6: Final answer
    x = 56,505.29

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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.