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Finding the Fourth Proportional to 101,495.35, 151,939.71 and 61,392.97

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Solution

The fourth proportional to 101,495.35, 151,939.71 and 61,392.97 is: 91,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,495.35 : 151,939.71 = 61,392.97 : x
  2. Step 2: Convert to fraction form
    101,495.35/151,939.71 = 61,392.97/x
  3. Step 3: Cross multiply
    101,495.35x = 151,939.71 × 61,392.97
  4. Step 4: Simplify right side
    101,495.35x = 9,328,030,266.09
  5. Step 5: Solve for x
    x = 9,328,030,266.09/101,495.35
  6. Step 6: Final answer
    x = 91,905.98

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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.