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Finding the Fourth Proportional to 100,816,808.80, 151,225,213.20 and 100,816,808.80

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Solution

The fourth proportional to 100,816,808.80, 151,225,213.20 and 100,816,808.80 is: 151,225,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,816,808.80 : 151,225,213.20 = 100,816,808.80 : x
  2. Step 2: Convert to fraction form
    100,816,808.80/151,225,213.20 = 100,816,808.80/x
  3. Step 3: Cross multiply
    100,816,808.80x = 151,225,213.20 × 100,816,808.80
  4. Step 4: Simplify right side
    100,816,808.80x = 15,246,043,404,923,634
  5. Step 5: Solve for x
    x = 15,246,043,404,923,634/100,816,808.80
  6. Step 6: Final answer
    x = 151,225,213.20

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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.