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Finding the Fourth Proportional to 105,698.48, 158,336.48 and 63,555.49

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Solution

The fourth proportional to 105,698.48, 158,336.48 and 63,555.49 is: 95,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,698.48 : 158,336.48 = 63,555.49 : x
  2. Step 2: Convert to fraction form
    105,698.48/158,336.48 = 63,555.49/x
  3. Step 3: Cross multiply
    105,698.48x = 158,336.48 × 63,555.49
  4. Step 4: Simplify right side
    105,698.48x = 10,063,152,571.28
  5. Step 5: Solve for x
    x = 10,063,152,571.28/105,698.48
  6. Step 6: Final answer
    x = 95,206.22

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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.