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Finding the Fourth Proportional to 68,607,034.40, 102,910,551.60 and 34,594,810.40

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Solution

The fourth proportional to 68,607,034.40, 102,910,551.60 and 34,594,810.40 is: 51,892,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,607,034.40 : 102,910,551.60 = 34,594,810.40 : x
  2. Step 2: Convert to fraction form
    68,607,034.40/102,910,551.60 = 34,594,810.40/x
  3. Step 3: Cross multiply
    68,607,034.40x = 102,910,551.60 × 34,594,810.40
  4. Step 4: Simplify right side
    68,607,034.40x = 3,560,171,020,761,416.50
  5. Step 5: Solve for x
    x = 3,560,171,020,761,416.50/68,607,034.40
  6. Step 6: Final answer
    x = 51,892,215.60

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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.