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Finding the Fourth Proportional to 68,000,620.60, 102,000,930.90 and 62,048,481.40

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Solution

The fourth proportional to 68,000,620.60, 102,000,930.90 and 62,048,481.40 is: 93,072,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,000,620.60 : 102,000,930.90 = 62,048,481.40 : x
  2. Step 2: Convert to fraction form
    68,000,620.60/102,000,930.90 = 62,048,481.40/x
  3. Step 3: Cross multiply
    68,000,620.60x = 102,000,930.90 × 62,048,481.40
  4. Step 4: Simplify right side
    68,000,620.60x = 6,329,002,863,731,335
  5. Step 5: Solve for x
    x = 6,329,002,863,731,335/68,000,620.60
  6. Step 6: Final answer
    x = 93,072,722.10

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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.