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Finding the Fourth Proportional to 98,103.52, 147,052.96 and 45,469.60

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Solution

The fourth proportional to 98,103.52, 147,052.96 and 45,469.60 is: 68,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,103.52 : 147,052.96 = 45,469.60 : x
  2. Step 2: Convert to fraction form
    98,103.52/147,052.96 = 45,469.60/x
  3. Step 3: Cross multiply
    98,103.52x = 147,052.96 × 45,469.60
  4. Step 4: Simplify right side
    98,103.52x = 6,686,439,270.02
  5. Step 5: Solve for x
    x = 6,686,439,270.02/98,103.52
  6. Step 6: Final answer
    x = 68,156.98

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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.