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Finding the Fourth Proportional to 146,357.76, 201,983.04 and 89,761.44

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Solution

The fourth proportional to 146,357.76, 201,983.04 and 89,761.44 is: 123,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,357.76 : 201,983.04 = 89,761.44 : x
  2. Step 2: Convert to fraction form
    146,357.76/201,983.04 = 89,761.44/x
  3. Step 3: Cross multiply
    146,357.76x = 201,983.04 × 89,761.44
  4. Step 4: Simplify right side
    146,357.76x = 18,130,288,525.98
  5. Step 5: Solve for x
    x = 18,130,288,525.98/146,357.76
  6. Step 6: Final answer
    x = 123,876.51

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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.