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Finding the Fourth Proportional to 163,987.80, 246,039.30 and 58,810.20

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Solution

The fourth proportional to 163,987.80, 246,039.30 and 58,810.20 is: 88,235.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,987.80 : 246,039.30 = 58,810.20 : x
  2. Step 2: Convert to fraction form
    163,987.80/246,039.30 = 58,810.20/x
  3. Step 3: Cross multiply
    163,987.80x = 246,039.30 × 58,810.20
  4. Step 4: Simplify right side
    163,987.80x = 14,469,620,440.86
  5. Step 5: Solve for x
    x = 14,469,620,440.86/163,987.80
  6. Step 6: Final answer
    x = 88,235.96

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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.