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Finding the Fourth Proportional to 212,791.10, 293,648.54 and 117,295.74

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Solution

The fourth proportional to 212,791.10, 293,648.54 and 117,295.74 is: 161,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,791.10 : 293,648.54 = 117,295.74 : x
  2. Step 2: Convert to fraction form
    212,791.10/293,648.54 = 117,295.74/x
  3. Step 3: Cross multiply
    212,791.10x = 293,648.54 × 117,295.74
  4. Step 4: Simplify right side
    212,791.10x = 34,443,722,212.74
  5. Step 5: Solve for x
    x = 34,443,722,212.74/212,791.10
  6. Step 6: Final answer
    x = 161,866.37

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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.