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Finding the Fourth Proportional to 212,796.45, 293,658.99 and 117,304.74

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Solution

The fourth proportional to 212,796.45, 293,658.99 and 117,304.74 is: 161,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,796.45 : 293,658.99 = 117,304.74 : x
  2. Step 2: Convert to fraction form
    212,796.45/293,658.99 = 117,304.74/x
  3. Step 3: Cross multiply
    212,796.45x = 293,658.99 × 117,304.74
  4. Step 4: Simplify right side
    212,796.45x = 34,447,591,470.61
  5. Step 5: Solve for x
    x = 34,447,591,470.61/212,796.45
  6. Step 6: Final answer
    x = 161,880.48

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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.