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Finding the Fourth Proportional to 104,652.72, 156,977.80 and 25,767.63

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Solution

The fourth proportional to 104,652.72, 156,977.80 and 25,767.63 is: 38,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,652.72 : 156,977.80 = 25,767.63 : x
  2. Step 2: Convert to fraction form
    104,652.72/156,977.80 = 25,767.63/x
  3. Step 3: Cross multiply
    104,652.72x = 156,977.80 × 25,767.63
  4. Step 4: Simplify right side
    104,652.72x = 4,044,945,804.19
  5. Step 5: Solve for x
    x = 4,044,945,804.19/104,652.72
  6. Step 6: Final answer
    x = 38,651.13

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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.