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Finding the Fourth Proportional to 125,768.10, 188,466.84 and 94,029.24

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Solution

The fourth proportional to 125,768.10, 188,466.84 and 94,029.24 is: 140,905.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,768.10 : 188,466.84 = 94,029.24 : x
  2. Step 2: Convert to fraction form
    125,768.10/188,466.84 = 94,029.24/x
  3. Step 3: Cross multiply
    125,768.10x = 188,466.84 × 94,029.24
  4. Step 4: Simplify right side
    125,768.10x = 17,721,393,730.40
  5. Step 5: Solve for x
    x = 17,721,393,730.40/125,768.10
  6. Step 6: Final answer
    x = 140,905.31

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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.