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Finding the Fourth Proportional to 176,934,471.20, 265,401,706.80 and 100,406,967.20

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Solution

The fourth proportional to 176,934,471.20, 265,401,706.80 and 100,406,967.20 is: 150,610,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,934,471.20 : 265,401,706.80 = 100,406,967.20 : x
  2. Step 2: Convert to fraction form
    176,934,471.20/265,401,706.80 = 100,406,967.20/x
  3. Step 3: Cross multiply
    176,934,471.20x = 265,401,706.80 × 100,406,967.20
  4. Step 4: Simplify right side
    176,934,471.20x = 26,648,180,469,491,620
  5. Step 5: Solve for x
    x = 26,648,180,469,491,620/176,934,471.20
  6. Step 6: Final answer
    x = 150,610,450.80

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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.