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Finding the Fourth Proportional to 104,130.51, 156,201.81 and 29,256.49

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Solution

The fourth proportional to 104,130.51, 156,201.81 and 29,256.49 is: 43,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,130.51 : 156,201.81 = 29,256.49 : x
  2. Step 2: Convert to fraction form
    104,130.51/156,201.81 = 29,256.49/x
  3. Step 3: Cross multiply
    104,130.51x = 156,201.81 × 29,256.49
  4. Step 4: Simplify right side
    104,130.51x = 4,569,916,692.25
  5. Step 5: Solve for x
    x = 4,569,916,692.25/104,130.51
  6. Step 6: Final answer
    x = 43,886.43

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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.