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Finding the Fourth Proportional to 144,525.84, 199,002.60 and 126,520.08

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Solution

The fourth proportional to 144,525.84, 199,002.60 and 126,520.08 is: 174,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,525.84 : 199,002.60 = 126,520.08 : x
  2. Step 2: Convert to fraction form
    144,525.84/199,002.60 = 126,520.08/x
  3. Step 3: Cross multiply
    144,525.84x = 199,002.60 × 126,520.08
  4. Step 4: Simplify right side
    144,525.84x = 25,177,824,872.21
  5. Step 5: Solve for x
    x = 25,177,824,872.21/144,525.84
  6. Step 6: Final answer
    x = 174,209.85

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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.