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Finding the Fourth Proportional to 108,532.96, 149,848.63 and 67,759.23

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Solution

The fourth proportional to 108,532.96, 149,848.63 and 67,759.23 is: 93,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,532.96 : 149,848.63 = 67,759.23 : x
  2. Step 2: Convert to fraction form
    108,532.96/149,848.63 = 67,759.23/x
  3. Step 3: Cross multiply
    108,532.96x = 149,848.63 × 67,759.23
  4. Step 4: Simplify right side
    108,532.96x = 10,153,628,559.03
  5. Step 5: Solve for x
    x = 10,153,628,559.03/108,532.96
  6. Step 6: Final answer
    x = 93,553.41

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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.