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Finding the Fourth Proportional to 108,704.52, 150,049.08 and 68,485.68

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Solution

The fourth proportional to 108,704.52, 150,049.08 and 68,485.68 is: 94,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,704.52 : 150,049.08 = 68,485.68 : x
  2. Step 2: Convert to fraction form
    108,704.52/150,049.08 = 68,485.68/x
  3. Step 3: Cross multiply
    108,704.52x = 150,049.08 × 68,485.68
  4. Step 4: Simplify right side
    108,704.52x = 10,276,213,277.17
  5. Step 5: Solve for x
    x = 10,276,213,277.17/108,704.52
  6. Step 6: Final answer
    x = 94,533.45

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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.