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Finding the Fourth Proportional to 363,600.16, 545,531.52 and 126,977.76

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Solution

The fourth proportional to 363,600.16, 545,531.52 and 126,977.76 is: 190,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,600.16 : 545,531.52 = 126,977.76 : x
  2. Step 2: Convert to fraction form
    363,600.16/545,531.52 = 126,977.76/x
  3. Step 3: Cross multiply
    363,600.16x = 545,531.52 × 126,977.76
  4. Step 4: Simplify right side
    363,600.16x = 69,270,370,419.00
  5. Step 5: Solve for x
    x = 69,270,370,419.00/363,600.16
  6. Step 6: Final answer
    x = 190,512.49

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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.