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Finding the Fourth Proportional to 133,731,301.20, 200,596,951.80 and 57,203,797.20

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Solution

The fourth proportional to 133,731,301.20, 200,596,951.80 and 57,203,797.20 is: 85,805,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,731,301.20 : 200,596,951.80 = 57,203,797.20 : x
  2. Step 2: Convert to fraction form
    133,731,301.20/200,596,951.80 = 57,203,797.20/x
  3. Step 3: Cross multiply
    133,731,301.20x = 200,596,951.80 × 57,203,797.20
  4. Step 4: Simplify right side
    133,731,301.20x = 11,474,907,349,705,376
  5. Step 5: Solve for x
    x = 11,474,907,349,705,376/133,731,301.20
  6. Step 6: Final answer
    x = 85,805,695.80

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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.