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Finding the Fourth Proportional to 178,771.54, 246,643.60 and 102,262.76

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Solution

The fourth proportional to 178,771.54, 246,643.60 and 102,262.76 is: 141,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,771.54 : 246,643.60 = 102,262.76 : x
  2. Step 2: Convert to fraction form
    178,771.54/246,643.60 = 102,262.76/x
  3. Step 3: Cross multiply
    178,771.54x = 246,643.60 × 102,262.76
  4. Step 4: Simplify right side
    178,771.54x = 25,222,455,272.34
  5. Step 5: Solve for x
    x = 25,222,455,272.34/178,771.54
  6. Step 6: Final answer
    x = 141,087.64

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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.