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Finding the Fourth Proportional to 91,924.88, 126,836.64 and 53,667.05

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Solution

The fourth proportional to 91,924.88, 126,836.64 and 53,667.05 is: 74,049.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,924.88 : 126,836.64 = 53,667.05 : x
  2. Step 2: Convert to fraction form
    91,924.88/126,836.64 = 53,667.05/x
  3. Step 3: Cross multiply
    91,924.88x = 126,836.64 × 53,667.05
  4. Step 4: Simplify right side
    91,924.88x = 6,806,948,300.71
  5. Step 5: Solve for x
    x = 6,806,948,300.71/91,924.88
  6. Step 6: Final answer
    x = 74,049.03

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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.