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Finding the Fourth Proportional to 365,995.80, 548,931.40 and 99,694.01

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Solution

The fourth proportional to 365,995.80, 548,931.40 and 99,694.01 is: 149,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,995.80 : 548,931.40 = 99,694.01 : x
  2. Step 2: Convert to fraction form
    365,995.80/548,931.40 = 99,694.01/x
  3. Step 3: Cross multiply
    365,995.80x = 548,931.40 × 99,694.01
  4. Step 4: Simplify right side
    365,995.80x = 54,725,173,604.01
  5. Step 5: Solve for x
    x = 54,725,173,604.01/365,995.80
  6. Step 6: Final answer
    x = 149,524.05

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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.