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Finding the Fourth Proportional to 237,969.34, 328,394.63 and 135,993.64

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Solution

The fourth proportional to 237,969.34, 328,394.63 and 135,993.64 is: 187,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,969.34 : 328,394.63 = 135,993.64 : x
  2. Step 2: Convert to fraction form
    237,969.34/328,394.63 = 135,993.64/x
  3. Step 3: Cross multiply
    237,969.34x = 328,394.63 × 135,993.64
  4. Step 4: Simplify right side
    237,969.34x = 44,659,581,090.15
  5. Step 5: Solve for x
    x = 44,659,581,090.15/237,969.34
  6. Step 6: Final answer
    x = 187,669.47

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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.