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Finding the Fourth Proportional to 104,139.98, 156,185.58 and 29,267.28

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Solution

The fourth proportional to 104,139.98, 156,185.58 and 29,267.28 is: 43,894.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,139.98 : 156,185.58 = 29,267.28 : x
  2. Step 2: Convert to fraction form
    104,139.98/156,185.58 = 29,267.28/x
  3. Step 3: Cross multiply
    104,139.98x = 156,185.58 × 29,267.28
  4. Step 4: Simplify right side
    104,139.98x = 4,571,127,101.82
  5. Step 5: Solve for x
    x = 4,571,127,101.82/104,139.98
  6. Step 6: Final answer
    x = 43,894.07

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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.