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Finding the Fourth Proportional to 163,776.80, 245,794.80 and 63,984.80

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Solution

The fourth proportional to 163,776.80, 245,794.80 and 63,984.80 is: 96,027.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,776.80 : 245,794.80 = 63,984.80 : x
  2. Step 2: Convert to fraction form
    163,776.80/245,794.80 = 63,984.80/x
  3. Step 3: Cross multiply
    163,776.80x = 245,794.80 × 63,984.80
  4. Step 4: Simplify right side
    163,776.80x = 15,727,131,119.04
  5. Step 5: Solve for x
    x = 15,727,131,119.04/163,776.80
  6. Step 6: Final answer
    x = 96,027.83

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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.