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Finding the Fourth Proportional to 54,426.65, 75,104.69 and 30,548.75

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Solution

The fourth proportional to 54,426.65, 75,104.69 and 30,548.75 is: 42,154.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,426.65 : 75,104.69 = 30,548.75 : x
  2. Step 2: Convert to fraction form
    54,426.65/75,104.69 = 30,548.75/x
  3. Step 3: Cross multiply
    54,426.65x = 75,104.69 × 30,548.75
  4. Step 4: Simplify right side
    54,426.65x = 2,294,353,870.37
  5. Step 5: Solve for x
    x = 2,294,353,870.37/54,426.65
  6. Step 6: Final answer
    x = 42,154.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.