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Finding the Fourth Proportional to 226,035, 311,938.02 and 125,433

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Solution

The fourth proportional to 226,035, 311,938.02 and 125,433 is: 173,102.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,035 : 311,938.02 = 125,433 : x
  2. Step 2: Convert to fraction form
    226,035/311,938.02 = 125,433/x
  3. Step 3: Cross multiply
    226,035x = 311,938.02 × 125,433
  4. Step 4: Simplify right side
    226,035x = 39,127,321,662.66
  5. Step 5: Solve for x
    x = 39,127,321,662.66/226,035
  6. Step 6: Final answer
    x = 173,102.93

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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.