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Finding the Fourth Proportional to 292,297.67, 403,372 and 158,161.67

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Solution

The fourth proportional to 292,297.67, 403,372 and 158,161.67 is: 218,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,297.67 : 403,372 = 158,161.67 : x
  2. Step 2: Convert to fraction form
    292,297.67/403,372 = 158,161.67/x
  3. Step 3: Cross multiply
    292,297.67x = 403,372 × 158,161.67
  4. Step 4: Simplify right side
    292,297.67x = 63,797,989,151.24
  5. Step 5: Solve for x
    x = 63,797,989,151.24/292,297.67
  6. Step 6: Final answer
    x = 218,263.76

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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.