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Finding the Fourth Proportional to 178,852.70, 246,647.54 and 117,490.56

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Solution

The fourth proportional to 178,852.70, 246,647.54 and 117,490.56 is: 162,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,852.70 : 246,647.54 = 117,490.56 : x
  2. Step 2: Convert to fraction form
    178,852.70/246,647.54 = 117,490.56/x
  3. Step 3: Cross multiply
    178,852.70x = 246,647.54 × 117,490.56
  4. Step 4: Simplify right side
    178,852.70x = 28,978,757,597.22
  5. Step 5: Solve for x
    x = 28,978,757,597.22/178,852.70
  6. Step 6: Final answer
    x = 162,025.83

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1.5x scale

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.