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Finding the Fourth Proportional to 112,525.95, 168,871.88 and 53,361.79

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Solution

The fourth proportional to 112,525.95, 168,871.88 and 53,361.79 is: 80,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,525.95 : 168,871.88 = 53,361.79 : x
  2. Step 2: Convert to fraction form
    112,525.95/168,871.88 = 53,361.79/x
  3. Step 3: Cross multiply
    112,525.95x = 168,871.88 × 53,361.79
  4. Step 4: Simplify right side
    112,525.95x = 9,011,305,797.47
  5. Step 5: Solve for x
    x = 9,011,305,797.47/112,525.95
  6. Step 6: Final answer
    x = 80,082.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.