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Finding the Fourth Proportional to 193,959.90, 267,612.36 and 113,407.22

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Solution

The fourth proportional to 193,959.90, 267,612.36 and 113,407.22 is: 156,471.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,959.90 : 267,612.36 = 113,407.22 : x
  2. Step 2: Convert to fraction form
    193,959.90/267,612.36 = 113,407.22/x
  3. Step 3: Cross multiply
    193,959.90x = 267,612.36 × 113,407.22
  4. Step 4: Simplify right side
    193,959.90x = 30,349,174,028.99
  5. Step 5: Solve for x
    x = 30,349,174,028.99/193,959.90
  6. Step 6: Final answer
    x = 156,471.38

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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.