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Finding the Fourth Proportional to 104,168.58, 143,755.47 and 63,904.56

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Solution

The fourth proportional to 104,168.58, 143,755.47 and 63,904.56 is: 88,190.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,168.58 : 143,755.47 = 63,904.56 : x
  2. Step 2: Convert to fraction form
    104,168.58/143,755.47 = 63,904.56/x
  3. Step 3: Cross multiply
    104,168.58x = 143,755.47 × 63,904.56
  4. Step 4: Simplify right side
    104,168.58x = 9,186,630,057.94
  5. Step 5: Solve for x
    x = 9,186,630,057.94/104,168.58
  6. Step 6: Final answer
    x = 88,190.03

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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.