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Finding the Fourth Proportional to 70,450.96, 97,240.70 and 43,577.84

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Solution

The fourth proportional to 70,450.96, 97,240.70 and 43,577.84 is: 60,148.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,450.96 : 97,240.70 = 43,577.84 : x
  2. Step 2: Convert to fraction form
    70,450.96/97,240.70 = 43,577.84/x
  3. Step 3: Cross multiply
    70,450.96x = 97,240.70 × 43,577.84
  4. Step 4: Simplify right side
    70,450.96x = 4,237,539,666.09
  5. Step 5: Solve for x
    x = 4,237,539,666.09/70,450.96
  6. Step 6: Final answer
    x = 60,148.79

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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.