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Finding the Fourth Proportional to 74,341.82, 111,483.66 and 26,945.66

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Solution

The fourth proportional to 74,341.82, 111,483.66 and 26,945.66 is: 40,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,341.82 : 111,483.66 = 26,945.66 : x
  2. Step 2: Convert to fraction form
    74,341.82/111,483.66 = 26,945.66/x
  3. Step 3: Cross multiply
    74,341.82x = 111,483.66 × 26,945.66
  4. Step 4: Simplify right side
    74,341.82x = 3,004,000,797.92
  5. Step 5: Solve for x
    x = 3,004,000,797.92/74,341.82
  6. Step 6: Final answer
    x = 40,407.95

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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.