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Finding the Fourth Proportional to 133,485,198.40, 200,227,797.60 and 56,788,955.20

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Solution

The fourth proportional to 133,485,198.40, 200,227,797.60 and 56,788,955.20 is: 85,183,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,485,198.40 : 200,227,797.60 = 56,788,955.20 : x
  2. Step 2: Convert to fraction form
    133,485,198.40/200,227,797.60 = 56,788,955.20/x
  3. Step 3: Cross multiply
    133,485,198.40x = 200,227,797.60 × 56,788,955.20
  4. Step 4: Simplify right side
    133,485,198.40x = 11,370,727,427,701,068
  5. Step 5: Solve for x
    x = 11,370,727,427,701,068/133,485,198.40
  6. Step 6: Final answer
    x = 85,183,432.80

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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.