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Finding the Fourth Proportional to 180,349.53, 270,548.79 and 75,143.89

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Solution

The fourth proportional to 180,349.53, 270,548.79 and 75,143.89 is: 112,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,349.53 : 270,548.79 = 75,143.89 : x
  2. Step 2: Convert to fraction form
    180,349.53/270,548.79 = 75,143.89/x
  3. Step 3: Cross multiply
    180,349.53x = 270,548.79 × 75,143.89
  4. Step 4: Simplify right side
    180,349.53x = 20,330,088,515.39
  5. Step 5: Solve for x
    x = 20,330,088,515.39/180,349.53
  6. Step 6: Final answer
    x = 112,726.04

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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.