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Finding the Fourth Proportional to 47,011,626.60, 70,517,439.90 and 47,011,626.60

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Solution

The fourth proportional to 47,011,626.60, 70,517,439.90 and 47,011,626.60 is: 70,517,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,011,626.60 : 70,517,439.90 = 47,011,626.60 : x
  2. Step 2: Convert to fraction form
    47,011,626.60/70,517,439.90 = 47,011,626.60/x
  3. Step 3: Cross multiply
    47,011,626.60x = 70,517,439.90 × 47,011,626.60
  4. Step 4: Simplify right side
    47,011,626.60x = 3,315,139,553,366,741.50
  5. Step 5: Solve for x
    x = 3,315,139,553,366,741.50/47,011,626.60
  6. Step 6: Final answer
    x = 70,517,439.90

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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.