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Finding the Fourth Proportional to 212,493.89, 293,240.90 and 117,000.60

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Solution

The fourth proportional to 212,493.89, 293,240.90 and 117,000.60 is: 161,460.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,493.89 : 293,240.90 = 117,000.60 : x
  2. Step 2: Convert to fraction form
    212,493.89/293,240.90 = 117,000.60/x
  3. Step 3: Cross multiply
    212,493.89x = 293,240.90 × 117,000.60
  4. Step 4: Simplify right side
    212,493.89x = 34,309,360,659.54
  5. Step 5: Solve for x
    x = 34,309,360,659.54/212,493.89
  6. Step 6: Final answer
    x = 161,460.46

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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.