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Finding the Fourth Proportional to 108,859.75, 150,200.14 and 63,511.84

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Solution

The fourth proportional to 108,859.75, 150,200.14 and 63,511.84 is: 87,630.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,859.75 : 150,200.14 = 63,511.84 : x
  2. Step 2: Convert to fraction form
    108,859.75/150,200.14 = 63,511.84/x
  3. Step 3: Cross multiply
    108,859.75x = 150,200.14 × 63,511.84
  4. Step 4: Simplify right side
    108,859.75x = 9,539,487,259.66
  5. Step 5: Solve for x
    x = 9,539,487,259.66/108,859.75
  6. Step 6: Final answer
    x = 87,630.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.