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Finding the Fourth Proportional to 147,152.69, 203,046.48 and 92,696.39

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Solution

The fourth proportional to 147,152.69, 203,046.48 and 92,696.39 is: 127,905.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,152.69 : 203,046.48 = 92,696.39 : x
  2. Step 2: Convert to fraction form
    147,152.69/203,046.48 = 92,696.39/x
  3. Step 3: Cross multiply
    147,152.69x = 203,046.48 × 92,696.39
  4. Step 4: Simplify right side
    147,152.69x = 18,821,674,682.97
  5. Step 5: Solve for x
    x = 18,821,674,682.97/147,152.69
  6. Step 6: Final answer
    x = 127,905.75

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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.