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Finding the Fourth Proportional to 109,573.40, 151,229.84 and 63,625.88

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Solution

The fourth proportional to 109,573.40, 151,229.84 and 63,625.88 is: 87,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,573.40 : 151,229.84 = 63,625.88 : x
  2. Step 2: Convert to fraction form
    109,573.40/151,229.84 = 63,625.88/x
  3. Step 3: Cross multiply
    109,573.40x = 151,229.84 × 63,625.88
  4. Step 4: Simplify right side
    109,573.40x = 9,622,130,577.98
  5. Step 5: Solve for x
    x = 9,622,130,577.98/109,573.40
  6. Step 6: Final answer
    x = 87,814.48

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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.