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Finding the Fourth Proportional to 136,486,936, 204,730,404 and 45,610,525

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Solution

The fourth proportional to 136,486,936, 204,730,404 and 45,610,525 is: 68,415,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,486,936 : 204,730,404 = 45,610,525 : x
  2. Step 2: Convert to fraction form
    136,486,936/204,730,404 = 45,610,525/x
  3. Step 3: Cross multiply
    136,486,936x = 204,730,404 × 45,610,525
  4. Step 4: Simplify right side
    136,486,936x = 9,337,861,209,902,100
  5. Step 5: Solve for x
    x = 9,337,861,209,902,100/136,486,936
  6. Step 6: Final answer
    x = 68,415,787.50

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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.