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Finding the Fourth Proportional to 292,296.67, 403,370.62 and 158,160.67

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Solution

The fourth proportional to 292,296.67, 403,370.62 and 158,160.67 is: 218,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,296.67 : 403,370.62 = 158,160.67 : x
  2. Step 2: Convert to fraction form
    292,296.67/403,370.62 = 158,160.67/x
  3. Step 3: Cross multiply
    292,296.67x = 403,370.62 × 158,160.67
  4. Step 4: Simplify right side
    292,296.67x = 63,797,366,113.69
  5. Step 5: Solve for x
    x = 63,797,366,113.69/292,296.67
  6. Step 6: Final answer
    x = 218,262.38

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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.