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Finding the Fourth Proportional to 128,094.01, 192,157.41 and 49,197.98

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Solution

The fourth proportional to 128,094.01, 192,157.41 and 49,197.98 is: 73,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,094.01 : 192,157.41 = 49,197.98 : x
  2. Step 2: Convert to fraction form
    128,094.01/192,157.41 = 49,197.98/x
  3. Step 3: Cross multiply
    128,094.01x = 192,157.41 × 49,197.98
  4. Step 4: Simplify right side
    128,094.01x = 9,453,757,078.92
  5. Step 5: Solve for x
    x = 9,453,757,078.92/128,094.01
  6. Step 6: Final answer
    x = 73,803.27

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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.