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Finding the Fourth Proportional to 108,759.50, 163,138.93 and 29,873.80

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Solution

The fourth proportional to 108,759.50, 163,138.93 and 29,873.80 is: 44,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,759.50 : 163,138.93 = 29,873.80 : x
  2. Step 2: Convert to fraction form
    108,759.50/163,138.93 = 29,873.80/x
  3. Step 3: Cross multiply
    108,759.50x = 163,138.93 × 29,873.80
  4. Step 4: Simplify right side
    108,759.50x = 4,873,579,284.50
  5. Step 5: Solve for x
    x = 4,873,579,284.50/108,759.50
  6. Step 6: Final answer
    x = 44,810.61

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1.5x scale

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.