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Finding the Fourth Proportional to 169,860.56, 234,369.48 and 102,791.12

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Solution

The fourth proportional to 169,860.56, 234,369.48 and 102,791.12 is: 141,828.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,860.56 : 234,369.48 = 102,791.12 : x
  2. Step 2: Convert to fraction form
    169,860.56/234,369.48 = 102,791.12/x
  3. Step 3: Cross multiply
    169,860.56x = 234,369.48 × 102,791.12
  4. Step 4: Simplify right side
    169,860.56x = 24,091,101,343.02
  5. Step 5: Solve for x
    x = 24,091,101,343.02/169,860.56
  6. Step 6: Final answer
    x = 141,828.69

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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.