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Finding the Fourth Proportional to 105,546.90, 158,360.92 and 63,456.02

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Solution

The fourth proportional to 105,546.90, 158,360.92 and 63,456.02 is: 95,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,546.90 : 158,360.92 = 63,456.02 : x
  2. Step 2: Convert to fraction form
    105,546.90/158,360.92 = 63,456.02/x
  3. Step 3: Cross multiply
    105,546.90x = 158,360.92 × 63,456.02
  4. Step 4: Simplify right side
    105,546.90x = 10,048,953,706.74
  5. Step 5: Solve for x
    x = 10,048,953,706.74/105,546.90
  6. Step 6: Final answer
    x = 95,208.42

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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.