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Finding the Fourth Proportional to 70,564,512.70, 105,846,769.05 and 70,564,512.70

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Solution

The fourth proportional to 70,564,512.70, 105,846,769.05 and 70,564,512.70 is: 105,846,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,564,512.70 : 105,846,769.05 = 70,564,512.70 : x
  2. Step 2: Convert to fraction form
    70,564,512.70/105,846,769.05 = 70,564,512.70/x
  3. Step 3: Cross multiply
    70,564,512.70x = 105,846,769.05 × 70,564,512.70
  4. Step 4: Simplify right side
    70,564,512.70x = 7,469,025,678,882,692
  5. Step 5: Solve for x
    x = 7,469,025,678,882,692/70,564,512.70
  6. Step 6: Final answer
    x = 105,846,769.05

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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.