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Finding the Fourth Proportional to 74,787.34, 103,204.88 and 41,253.34

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Solution

The fourth proportional to 74,787.34, 103,204.88 and 41,253.34 is: 56,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,787.34 : 103,204.88 = 41,253.34 : x
  2. Step 2: Convert to fraction form
    74,787.34/103,204.88 = 41,253.34/x
  3. Step 3: Cross multiply
    74,787.34x = 103,204.88 × 41,253.34
  4. Step 4: Simplify right side
    74,787.34x = 4,257,546,004.30
  5. Step 5: Solve for x
    x = 4,257,546,004.30/74,787.34
  6. Step 6: Final answer
    x = 56,928.70

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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.