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Finding the Fourth Proportional to 133,731,000.90, 187,563,523.50 and 133,731,000.90

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Solution

The fourth proportional to 133,731,000.90, 187,563,523.50 and 133,731,000.90 is: 187,563,523.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,731,000.90 : 187,563,523.50 = 133,731,000.90 : x
  2. Step 2: Convert to fraction form
    133,731,000.90/187,563,523.50 = 133,731,000.90/x
  3. Step 3: Cross multiply
    133,731,000.90x = 187,563,523.50 × 133,731,000.90
  4. Step 4: Simplify right side
    133,731,000.90x = 25,083,057,729,985,672
  5. Step 5: Solve for x
    x = 25,083,057,729,985,672/133,731,000.90
  6. Step 6: Final answer
    x = 187,563,523.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.