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Finding the Fourth Proportional to 169,530.52, 254,300.10 and 51,205.72

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Solution

The fourth proportional to 169,530.52, 254,300.10 and 51,205.72 is: 76,809.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,530.52 : 254,300.10 = 51,205.72 : x
  2. Step 2: Convert to fraction form
    169,530.52/254,300.10 = 51,205.72/x
  3. Step 3: Cross multiply
    169,530.52x = 254,300.10 × 51,205.72
  4. Step 4: Simplify right side
    169,530.52x = 13,021,619,716.57
  5. Step 5: Solve for x
    x = 13,021,619,716.57/169,530.52
  6. Step 6: Final answer
    x = 76,809.88

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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.