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Finding the Fourth Proportional to 71,754.40, 99,006 and 41,537.92

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Solution

The fourth proportional to 71,754.40, 99,006 and 41,537.92 is: 57,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,754.40 : 99,006 = 41,537.92 : x
  2. Step 2: Convert to fraction form
    71,754.40/99,006 = 41,537.92/x
  3. Step 3: Cross multiply
    71,754.40x = 99,006 × 41,537.92
  4. Step 4: Simplify right side
    71,754.40x = 4,112,503,307.52
  5. Step 5: Solve for x
    x = 4,112,503,307.52/71,754.40
  6. Step 6: Final answer
    x = 57,313.60

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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.