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Finding the Fourth Proportional to 107,783.58, 161,693.37 and 48,617.94

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Solution

The fourth proportional to 107,783.58, 161,693.37 and 48,617.94 is: 72,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,783.58 : 161,693.37 = 48,617.94 : x
  2. Step 2: Convert to fraction form
    107,783.58/161,693.37 = 48,617.94/x
  3. Step 3: Cross multiply
    107,783.58x = 161,693.37 × 48,617.94
  4. Step 4: Simplify right side
    107,783.58x = 7,861,198,561.06
  5. Step 5: Solve for x
    x = 7,861,198,561.06/107,783.58
  6. Step 6: Final answer
    x = 72,935.03

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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.