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Finding the Fourth Proportional to 74,265.89, 102,485.52 and 41,999.94

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Solution

The fourth proportional to 74,265.89, 102,485.52 and 41,999.94 is: 57,959.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,265.89 : 102,485.52 = 41,999.94 : x
  2. Step 2: Convert to fraction form
    74,265.89/102,485.52 = 41,999.94/x
  3. Step 3: Cross multiply
    74,265.89x = 102,485.52 × 41,999.94
  4. Step 4: Simplify right side
    74,265.89x = 4,304,385,690.87
  5. Step 5: Solve for x
    x = 4,304,385,690.87/74,265.89
  6. Step 6: Final answer
    x = 57,959.12

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1.5x scale

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.