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Finding the Fourth Proportional to 136,551,428.80, 204,827,143.20 and 136,551,428.80

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Solution

The fourth proportional to 136,551,428.80, 204,827,143.20 and 136,551,428.80 is: 204,827,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,551,428.80 : 204,827,143.20 = 136,551,428.80 : x
  2. Step 2: Convert to fraction form
    136,551,428.80/204,827,143.20 = 136,551,428.80/x
  3. Step 3: Cross multiply
    136,551,428.80x = 204,827,143.20 × 136,551,428.80
  4. Step 4: Simplify right side
    136,551,428.80x = 27,969,439,060,982,204
  5. Step 5: Solve for x
    x = 27,969,439,060,982,204/136,551,428.80
  6. Step 6: Final answer
    x = 204,827,143.20

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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.