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Finding the Fourth Proportional to 337,089.64, 505,321.98 and 126,866.92

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Solution

The fourth proportional to 337,089.64, 505,321.98 and 126,866.92 is: 190,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,089.64 : 505,321.98 = 126,866.92 : x
  2. Step 2: Convert to fraction form
    337,089.64/505,321.98 = 126,866.92/x
  3. Step 3: Cross multiply
    337,089.64x = 505,321.98 × 126,866.92
  4. Step 4: Simplify right side
    337,089.64x = 64,108,643,210.90
  5. Step 5: Solve for x
    x = 64,108,643,210.90/337,089.64
  6. Step 6: Final answer
    x = 190,182.78

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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.