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Finding the Fourth Proportional to 176,169,662.60, 264,254,493.90 and 79,171,838.60

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Solution

The fourth proportional to 176,169,662.60, 264,254,493.90 and 79,171,838.60 is: 118,757,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,169,662.60 : 264,254,493.90 = 79,171,838.60 : x
  2. Step 2: Convert to fraction form
    176,169,662.60/264,254,493.90 = 79,171,838.60/x
  3. Step 3: Cross multiply
    176,169,662.60x = 264,254,493.90 × 79,171,838.60
  4. Step 4: Simplify right side
    176,169,662.60x = 20,921,514,140,375,484
  5. Step 5: Solve for x
    x = 20,921,514,140,375,484/176,169,662.60
  6. Step 6: Final answer
    x = 118,757,757.90

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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.