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Finding the Fourth Proportional to 178,811.35, 246,758.41 and 97,138.82

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Solution

The fourth proportional to 178,811.35, 246,758.41 and 97,138.82 is: 134,050.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,811.35 : 246,758.41 = 97,138.82 : x
  2. Step 2: Convert to fraction form
    178,811.35/246,758.41 = 97,138.82/x
  3. Step 3: Cross multiply
    178,811.35x = 246,758.41 × 97,138.82
  4. Step 4: Simplify right side
    178,811.35x = 23,969,820,772.48
  5. Step 5: Solve for x
    x = 23,969,820,772.48/178,811.35
  6. Step 6: Final answer
    x = 134,050.89

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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.