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Finding the Fourth Proportional to 88,755,764.80, 133,133,647.20 and 67,232,404.30

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Solution

The fourth proportional to 88,755,764.80, 133,133,647.20 and 67,232,404.30 is: 100,848,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,755,764.80 : 133,133,647.20 = 67,232,404.30 : x
  2. Step 2: Convert to fraction form
    88,755,764.80/133,133,647.20 = 67,232,404.30/x
  3. Step 3: Cross multiply
    88,755,764.80x = 133,133,647.20 × 67,232,404.30
  4. Step 4: Simplify right side
    88,755,764.80x = 8,950,895,194,483,963
  5. Step 5: Solve for x
    x = 8,950,895,194,483,963/88,755,764.80
  6. Step 6: Final answer
    x = 100,848,606.45

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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.