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Finding the Fourth Proportional to 79,560.32, 109,795.94 and 43,751.84

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Solution

The fourth proportional to 79,560.32, 109,795.94 and 43,751.84 is: 60,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,560.32 : 109,795.94 = 43,751.84 : x
  2. Step 2: Convert to fraction form
    79,560.32/109,795.94 = 43,751.84/x
  3. Step 3: Cross multiply
    79,560.32x = 109,795.94 × 43,751.84
  4. Step 4: Simplify right side
    79,560.32x = 4,803,774,399.53
  5. Step 5: Solve for x
    x = 4,803,774,399.53/79,560.32
  6. Step 6: Final answer
    x = 60,379.02

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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.