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Finding the Fourth Proportional to 362,686.36, 544,030.77 and 126,031.09

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Solution

The fourth proportional to 362,686.36, 544,030.77 and 126,031.09 is: 189,047.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,686.36 : 544,030.77 = 126,031.09 : x
  2. Step 2: Convert to fraction form
    362,686.36/544,030.77 = 126,031.09/x
  3. Step 3: Cross multiply
    362,686.36x = 544,030.77 × 126,031.09
  4. Step 4: Simplify right side
    362,686.36x = 68,564,790,936.64
  5. Step 5: Solve for x
    x = 68,564,790,936.64/362,686.36
  6. Step 6: Final answer
    x = 189,047.06

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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.