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Finding the Fourth Proportional to 105,504.52, 158,044.80 and 49,267.08

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Solution

The fourth proportional to 105,504.52, 158,044.80 and 49,267.08 is: 73,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,504.52 : 158,044.80 = 49,267.08 : x
  2. Step 2: Convert to fraction form
    105,504.52/158,044.80 = 49,267.08/x
  3. Step 3: Cross multiply
    105,504.52x = 158,044.80 × 49,267.08
  4. Step 4: Simplify right side
    105,504.52x = 7,786,405,805.18
  5. Step 5: Solve for x
    x = 7,786,405,805.18/105,504.52
  6. Step 6: Final answer
    x = 73,801.63

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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.