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Finding the Fourth Proportional to 194,059.40, 267,713.40 and 140,259.20

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Solution

The fourth proportional to 194,059.40, 267,713.40 and 140,259.20 is: 193,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,059.40 : 267,713.40 = 140,259.20 : x
  2. Step 2: Convert to fraction form
    194,059.40/267,713.40 = 140,259.20/x
  3. Step 3: Cross multiply
    194,059.40x = 267,713.40 × 140,259.20
  4. Step 4: Simplify right side
    194,059.40x = 37,549,267,313.28
  5. Step 5: Solve for x
    x = 37,549,267,313.28/194,059.40
  6. Step 6: Final answer
    x = 193,493.68

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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.