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Finding the Fourth Proportional to 75,208.32, 103,787.64 and 41,674.32

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Solution

The fourth proportional to 75,208.32, 103,787.64 and 41,674.32 is: 57,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,208.32 : 103,787.64 = 41,674.32 : x
  2. Step 2: Convert to fraction form
    75,208.32/103,787.64 = 41,674.32/x
  3. Step 3: Cross multiply
    75,208.32x = 103,787.64 × 41,674.32
  4. Step 4: Simplify right side
    75,208.32x = 4,325,279,321.40
  5. Step 5: Solve for x
    x = 4,325,279,321.40/75,208.32
  6. Step 6: Final answer
    x = 57,510.65

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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.