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Finding the Fourth Proportional to 49,529,250.45, 69,484,439.70 and 49,529,250.45

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Solution

The fourth proportional to 49,529,250.45, 69,484,439.70 and 49,529,250.45 is: 69,484,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,529,250.45 : 69,484,439.70 = 49,529,250.45 : x
  2. Step 2: Convert to fraction form
    49,529,250.45/69,484,439.70 = 49,529,250.45/x
  3. Step 3: Cross multiply
    49,529,250.45x = 69,484,439.70 × 49,529,250.45
  4. Step 4: Simplify right side
    49,529,250.45x = 3,441,512,216,279,223
  5. Step 5: Solve for x
    x = 3,441,512,216,279,223/49,529,250.45
  6. Step 6: Final answer
    x = 69,484,439.70

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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.