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Finding the Fourth Proportional to 107,935.82, 161,805.71 and 37,776.86

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Solution

The fourth proportional to 107,935.82, 161,805.71 and 37,776.86 is: 56,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,935.82 : 161,805.71 = 37,776.86 : x
  2. Step 2: Convert to fraction form
    107,935.82/161,805.71 = 37,776.86/x
  3. Step 3: Cross multiply
    107,935.82x = 161,805.71 × 37,776.86
  4. Step 4: Simplify right side
    107,935.82x = 6,112,511,653.87
  5. Step 5: Solve for x
    x = 6,112,511,653.87/107,935.82
  6. Step 6: Final answer
    x = 56,630.98

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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.