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Finding the Fourth Proportional to 73,291.85, 109,955.67 and 23,371.95

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Solution

The fourth proportional to 73,291.85, 109,955.67 and 23,371.95 is: 35,063.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,291.85 : 109,955.67 = 23,371.95 : x
  2. Step 2: Convert to fraction form
    73,291.85/109,955.67 = 23,371.95/x
  3. Step 3: Cross multiply
    73,291.85x = 109,955.67 × 23,371.95
  4. Step 4: Simplify right side
    73,291.85x = 2,569,878,421.46
  5. Step 5: Solve for x
    x = 2,569,878,421.46/73,291.85
  6. Step 6: Final answer
    x = 35,063.63

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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.