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Finding the Fourth Proportional to 360,784.94, 540,759.14 and 136,001.43

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Solution

The fourth proportional to 360,784.94, 540,759.14 and 136,001.43 is: 203,844.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,784.94 : 540,759.14 = 136,001.43 : x
  2. Step 2: Convert to fraction form
    360,784.94/540,759.14 = 136,001.43/x
  3. Step 3: Cross multiply
    360,784.94x = 540,759.14 × 136,001.43
  4. Step 4: Simplify right side
    360,784.94x = 73,544,016,155.57
  5. Step 5: Solve for x
    x = 73,544,016,155.57/360,784.94
  6. Step 6: Final answer
    x = 203,844.48

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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.