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Finding the Fourth Proportional to 361,133.12, 541,404.06 and 136,366.01

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Solution

The fourth proportional to 361,133.12, 541,404.06 and 136,366.01 is: 204,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,133.12 : 541,404.06 = 136,366.01 : x
  2. Step 2: Convert to fraction form
    361,133.12/541,404.06 = 136,366.01/x
  3. Step 3: Cross multiply
    361,133.12x = 541,404.06 × 136,366.01
  4. Step 4: Simplify right side
    361,133.12x = 73,829,111,460.00
  5. Step 5: Solve for x
    x = 73,829,111,460.00/361,133.12
  6. Step 6: Final answer
    x = 204,437.39

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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.