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Finding the Fourth Proportional to 167,356.36, 251,034.60 and 105,070.60

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Solution

The fourth proportional to 167,356.36, 251,034.60 and 105,070.60 is: 157,605.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,356.36 : 251,034.60 = 105,070.60 : x
  2. Step 2: Convert to fraction form
    167,356.36/251,034.60 = 105,070.60/x
  3. Step 3: Cross multiply
    167,356.36x = 251,034.60 × 105,070.60
  4. Step 4: Simplify right side
    167,356.36x = 26,376,356,042.76
  5. Step 5: Solve for x
    x = 26,376,356,042.76/167,356.36
  6. Step 6: Final answer
    x = 157,605.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.