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Finding the Fourth Proportional to 237,310, 327,485.28 and 135,352.12

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Solution

The fourth proportional to 237,310, 327,485.28 and 135,352.12 is: 186,784.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,310 : 327,485.28 = 135,352.12 : x
  2. Step 2: Convert to fraction form
    237,310/327,485.28 = 135,352.12/x
  3. Step 3: Cross multiply
    237,310x = 327,485.28 × 135,352.12
  4. Step 4: Simplify right side
    237,310x = 44,325,826,916.79
  5. Step 5: Solve for x
    x = 44,325,826,916.79/237,310
  6. Step 6: Final answer
    x = 186,784.49

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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.