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Finding the Fourth Proportional to 74,059.59, 111,063.11 and 26,661.95

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Solution

The fourth proportional to 74,059.59, 111,063.11 and 26,661.95 is: 39,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,059.59 : 111,063.11 = 26,661.95 : x
  2. Step 2: Convert to fraction form
    74,059.59/111,063.11 = 26,661.95/x
  3. Step 3: Cross multiply
    74,059.59x = 111,063.11 × 26,661.95
  4. Step 4: Simplify right side
    74,059.59x = 2,961,159,423.52
  5. Step 5: Solve for x
    x = 2,961,159,423.52/74,059.59
  6. Step 6: Final answer
    x = 39,983.47

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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.