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Finding the Fourth Proportional to 47,880,016.70, 67,202,084.50 and 47,880,016.70

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Solution

The fourth proportional to 47,880,016.70, 67,202,084.50 and 47,880,016.70 is: 67,202,084.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,880,016.70 : 67,202,084.50 = 47,880,016.70 : x
  2. Step 2: Convert to fraction form
    47,880,016.70/67,202,084.50 = 47,880,016.70/x
  3. Step 3: Cross multiply
    47,880,016.70x = 67,202,084.50 × 47,880,016.70
  4. Step 4: Simplify right side
    47,880,016.70x = 3,217,636,928,134,811.50
  5. Step 5: Solve for x
    x = 3,217,636,928,134,811.50/47,880,016.70
  6. Step 6: Final answer
    x = 67,202,084.50

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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.