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Finding the Fourth Proportional to 68,672,269.80, 103,008,404.70 and 23,234,064.30

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Solution

The fourth proportional to 68,672,269.80, 103,008,404.70 and 23,234,064.30 is: 34,851,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,672,269.80 : 103,008,404.70 = 23,234,064.30 : x
  2. Step 2: Convert to fraction form
    68,672,269.80/103,008,404.70 = 23,234,064.30/x
  3. Step 3: Cross multiply
    68,672,269.80x = 103,008,404.70 × 23,234,064.30
  4. Step 4: Simplify right side
    68,672,269.80x = 2,393,303,898,240,222.50
  5. Step 5: Solve for x
    x = 2,393,303,898,240,222.50/68,672,269.80
  6. Step 6: Final answer
    x = 34,851,096.45

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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.