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Finding the Fourth Proportional to 99,573.64, 149,360.46 and 29,447.49

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Solution

The fourth proportional to 99,573.64, 149,360.46 and 29,447.49 is: 44,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,573.64 : 149,360.46 = 29,447.49 : x
  2. Step 2: Convert to fraction form
    99,573.64/149,360.46 = 29,447.49/x
  3. Step 3: Cross multiply
    99,573.64x = 149,360.46 × 29,447.49
  4. Step 4: Simplify right side
    99,573.64x = 4,398,290,652.25
  5. Step 5: Solve for x
    x = 4,398,290,652.25/99,573.64
  6. Step 6: Final answer
    x = 44,171.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.