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Finding the Fourth Proportional to 212,469.86, 293,202.72 and 116,977.28

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Solution

The fourth proportional to 212,469.86, 293,202.72 and 116,977.28 is: 161,425.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,469.86 : 293,202.72 = 116,977.28 : x
  2. Step 2: Convert to fraction form
    212,469.86/293,202.72 = 116,977.28/x
  3. Step 3: Cross multiply
    212,469.86x = 293,202.72 × 116,977.28
  4. Step 4: Simplify right side
    212,469.86x = 34,298,056,674.20
  5. Step 5: Solve for x
    x = 34,298,056,674.20/212,469.86
  6. Step 6: Final answer
    x = 161,425.52

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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.