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Finding the Fourth Proportional to 185,428.33, 277,954.90 and 73,064.86

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Solution

The fourth proportional to 185,428.33, 277,954.90 and 73,064.86 is: 109,523.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,428.33 : 277,954.90 = 73,064.86 : x
  2. Step 2: Convert to fraction form
    185,428.33/277,954.90 = 73,064.86/x
  3. Step 3: Cross multiply
    185,428.33x = 277,954.90 × 73,064.86
  4. Step 4: Simplify right side
    185,428.33x = 20,308,735,854.81
  5. Step 5: Solve for x
    x = 20,308,735,854.81/185,428.33
  6. Step 6: Final answer
    x = 109,523.37

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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.