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Finding the Fourth Proportional to 74,310.63, 102,497.88 and 47,441.03

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Solution

The fourth proportional to 74,310.63, 102,497.88 and 47,441.03 is: 65,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,310.63 : 102,497.88 = 47,441.03 : x
  2. Step 2: Convert to fraction form
    74,310.63/102,497.88 = 47,441.03/x
  3. Step 3: Cross multiply
    74,310.63x = 102,497.88 × 47,441.03
  4. Step 4: Simplify right side
    74,310.63x = 4,862,604,614.63
  5. Step 5: Solve for x
    x = 4,862,604,614.63/74,310.63
  6. Step 6: Final answer
    x = 65,436.19

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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.