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Finding the Fourth Proportional to 228,515.90, 342,190.65 and 181,859.90

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Solution

The fourth proportional to 228,515.90, 342,190.65 and 181,859.90 is: 272,325.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,515.90 : 342,190.65 = 181,859.90 : x
  2. Step 2: Convert to fraction form
    228,515.90/342,190.65 = 181,859.90/x
  3. Step 3: Cross multiply
    228,515.90x = 342,190.65 × 181,859.90
  4. Step 4: Simplify right side
    228,515.90x = 62,230,757,389.94
  5. Step 5: Solve for x
    x = 62,230,757,389.94/228,515.90
  6. Step 6: Final answer
    x = 272,325.72

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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.