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Finding the Fourth Proportional to 272,175.40, 375,603.50 and 149,675.67

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Solution

The fourth proportional to 272,175.40, 375,603.50 and 149,675.67 is: 206,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,175.40 : 375,603.50 = 149,675.67 : x
  2. Step 2: Convert to fraction form
    272,175.40/375,603.50 = 149,675.67/x
  3. Step 3: Cross multiply
    272,175.40x = 375,603.50 × 149,675.67
  4. Step 4: Simplify right side
    272,175.40x = 56,218,705,516.85
  5. Step 5: Solve for x
    x = 56,218,705,516.85/272,175.40
  6. Step 6: Final answer
    x = 206,553.22

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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.