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Finding the Fourth Proportional to 178,951.78, 246,958.17 and 98,381.34

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Solution

The fourth proportional to 178,951.78, 246,958.17 and 98,381.34 is: 135,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,951.78 : 246,958.17 = 98,381.34 : x
  2. Step 2: Convert to fraction form
    178,951.78/246,958.17 = 98,381.34/x
  3. Step 3: Cross multiply
    178,951.78x = 246,958.17 × 98,381.34
  4. Step 4: Simplify right side
    178,951.78x = 24,296,075,688.55
  5. Step 5: Solve for x
    x = 24,296,075,688.55/178,951.78
  6. Step 6: Final answer
    x = 135,768.84

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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.