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Finding the Fourth Proportional to 167,504.09, 231,192.09 and 103,028.76

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Solution

The fourth proportional to 167,504.09, 231,192.09 and 103,028.76 is: 142,202.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,504.09 : 231,192.09 = 103,028.76 : x
  2. Step 2: Convert to fraction form
    167,504.09/231,192.09 = 103,028.76/x
  3. Step 3: Cross multiply
    167,504.09x = 231,192.09 × 103,028.76
  4. Step 4: Simplify right side
    167,504.09x = 23,819,434,354.51
  5. Step 5: Solve for x
    x = 23,819,434,354.51/167,504.09
  6. Step 6: Final answer
    x = 142,202.11

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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.