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Finding the Fourth Proportional to 178,338.69, 267,430.26 and 67,452.93

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Solution

The fourth proportional to 178,338.69, 267,430.26 and 67,452.93 is: 101,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,338.69 : 267,430.26 = 67,452.93 : x
  2. Step 2: Convert to fraction form
    178,338.69/267,430.26 = 67,452.93/x
  3. Step 3: Cross multiply
    178,338.69x = 267,430.26 × 67,452.93
  4. Step 4: Simplify right side
    178,338.69x = 18,038,953,270.51
  5. Step 5: Solve for x
    x = 18,038,953,270.51/178,338.69
  6. Step 6: Final answer
    x = 101,149.97

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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.