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Finding the Fourth Proportional to 88,691,845.80, 133,037,768.70 and 48,381,061.80

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Solution

The fourth proportional to 88,691,845.80, 133,037,768.70 and 48,381,061.80 is: 72,571,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,691,845.80 : 133,037,768.70 = 48,381,061.80 : x
  2. Step 2: Convert to fraction form
    88,691,845.80/133,037,768.70 = 48,381,061.80/x
  3. Step 3: Cross multiply
    88,691,845.80x = 133,037,768.70 × 48,381,061.80
  4. Step 4: Simplify right side
    88,691,845.80x = 6,436,508,509,208,805
  5. Step 5: Solve for x
    x = 6,436,508,509,208,805/88,691,845.80
  6. Step 6: Final answer
    x = 72,571,592.70

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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.