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Finding the Fourth Proportional to 74,907.72, 103,372.02 and 41,373

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Solution

The fourth proportional to 74,907.72, 103,372.02 and 41,373 is: 57,094.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,907.72 : 103,372.02 = 41,373 : x
  2. Step 2: Convert to fraction form
    74,907.72/103,372.02 = 41,373/x
  3. Step 3: Cross multiply
    74,907.72x = 103,372.02 × 41,373
  4. Step 4: Simplify right side
    74,907.72x = 4,276,810,583.46
  5. Step 5: Solve for x
    x = 4,276,810,583.46/74,907.72
  6. Step 6: Final answer
    x = 57,094.39

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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.