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Finding the Fourth Proportional to 89,142,717.70, 133,714,076.55 and 89,142,717.70

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Solution

The fourth proportional to 89,142,717.70, 133,714,076.55 and 89,142,717.70 is: 133,714,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,142,717.70 : 133,714,076.55 = 89,142,717.70 : x
  2. Step 2: Convert to fraction form
    89,142,717.70/133,714,076.55 = 89,142,717.70/x
  3. Step 3: Cross multiply
    89,142,717.70x = 133,714,076.55 × 89,142,717.70
  4. Step 4: Simplify right side
    89,142,717.70x = 11,919,636,178,412,840
  5. Step 5: Solve for x
    x = 11,919,636,178,412,840/89,142,717.70
  6. Step 6: Final answer
    x = 133,714,076.55

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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.