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Finding the Fourth Proportional to 178,398.90, 246,201.87 and 117,863.34

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Solution

The fourth proportional to 178,398.90, 246,201.87 and 117,863.34 is: 162,658.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,398.90 : 246,201.87 = 117,863.34 : x
  2. Step 2: Convert to fraction form
    178,398.90/246,201.87 = 117,863.34/x
  3. Step 3: Cross multiply
    178,398.90x = 246,201.87 × 117,863.34
  4. Step 4: Simplify right side
    178,398.90x = 29,018,174,712.45
  5. Step 5: Solve for x
    x = 29,018,174,712.45/178,398.90
  6. Step 6: Final answer
    x = 162,658.93

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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.