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Finding the Fourth Proportional to 236,504.13, 326,731.13 and 155,025.78

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Solution

The fourth proportional to 236,504.13, 326,731.13 and 155,025.78 is: 214,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,504.13 : 326,731.13 = 155,025.78 : x
  2. Step 2: Convert to fraction form
    236,504.13/326,731.13 = 155,025.78/x
  3. Step 3: Cross multiply
    236,504.13x = 326,731.13 × 155,025.78
  4. Step 4: Simplify right side
    236,504.13x = 50,651,748,278.53
  5. Step 5: Solve for x
    x = 50,651,748,278.53/236,504.13
  6. Step 6: Final answer
    x = 214,168.56

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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.