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Finding the Fourth Proportional to 73,648.32, 101,638.68 and 43,451.34

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Solution

The fourth proportional to 73,648.32, 101,638.68 and 43,451.34 is: 59,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,648.32 : 101,638.68 = 43,451.34 : x
  2. Step 2: Convert to fraction form
    73,648.32/101,638.68 = 43,451.34/x
  3. Step 3: Cross multiply
    73,648.32x = 101,638.68 × 43,451.34
  4. Step 4: Simplify right side
    73,648.32x = 4,416,336,841.83
  5. Step 5: Solve for x
    x = 4,416,336,841.83/73,648.32
  6. Step 6: Final answer
    x = 59,965.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.