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Finding the Fourth Proportional to 227,593.15, 314,204.40 and 136,971.39

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Solution

The fourth proportional to 227,593.15, 314,204.40 and 136,971.39 is: 189,096.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,593.15 : 314,204.40 = 136,971.39 : x
  2. Step 2: Convert to fraction form
    227,593.15/314,204.40 = 136,971.39/x
  3. Step 3: Cross multiply
    227,593.15x = 314,204.40 × 136,971.39
  4. Step 4: Simplify right side
    227,593.15x = 43,037,013,412.12
  5. Step 5: Solve for x
    x = 43,037,013,412.12/227,593.15
  6. Step 6: Final answer
    x = 189,096.26

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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.