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Finding the Fourth Proportional to 108,503.50, 162,843.54 and 55,928.02

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Solution

The fourth proportional to 108,503.50, 162,843.54 and 55,928.02 is: 83,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,503.50 : 162,843.54 = 55,928.02 : x
  2. Step 2: Convert to fraction form
    108,503.50/162,843.54 = 55,928.02/x
  3. Step 3: Cross multiply
    108,503.50x = 162,843.54 × 55,928.02
  4. Step 4: Simplify right side
    108,503.50x = 9,107,516,761.99
  5. Step 5: Solve for x
    x = 9,107,516,761.99/108,503.50
  6. Step 6: Final answer
    x = 83,937.54

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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.