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Finding the Fourth Proportional to 178,735.34, 246,738.84 and 103,269.26

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Solution

The fourth proportional to 178,735.34, 246,738.84 and 103,269.26 is: 142,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,735.34 : 246,738.84 = 103,269.26 : x
  2. Step 2: Convert to fraction form
    178,735.34/246,738.84 = 103,269.26/x
  3. Step 3: Cross multiply
    178,735.34x = 246,738.84 × 103,269.26
  4. Step 4: Simplify right side
    178,735.34x = 25,480,537,420.06
  5. Step 5: Solve for x
    x = 25,480,537,420.06/178,735.34
  6. Step 6: Final answer
    x = 142,560.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.