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Finding the Fourth Proportional to 118,099,516.20, 177,149,274.30 and 118,099,516.20

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Solution

The fourth proportional to 118,099,516.20, 177,149,274.30 and 118,099,516.20 is: 177,149,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,099,516.20 : 177,149,274.30 = 118,099,516.20 : x
  2. Step 2: Convert to fraction form
    118,099,516.20/177,149,274.30 = 118,099,516.20/x
  3. Step 3: Cross multiply
    118,099,516.20x = 177,149,274.30 × 118,099,516.20
  4. Step 4: Simplify right side
    118,099,516.20x = 20,921,243,590,011,096
  5. Step 5: Solve for x
    x = 20,921,243,590,011,096/118,099,516.20
  6. Step 6: Final answer
    x = 177,149,274.30

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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.