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Finding the Fourth Proportional to 68,624,846.80, 102,937,270.20 and 23,185,985.20

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Solution

The fourth proportional to 68,624,846.80, 102,937,270.20 and 23,185,985.20 is: 34,778,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,624,846.80 : 102,937,270.20 = 23,185,985.20 : x
  2. Step 2: Convert to fraction form
    68,624,846.80/102,937,270.20 = 23,185,985.20/x
  3. Step 3: Cross multiply
    68,624,846.80x = 102,937,270.20 × 23,185,985.20
  4. Step 4: Simplify right side
    68,624,846.80x = 2,386,702,023,385,601
  5. Step 5: Solve for x
    x = 2,386,702,023,385,601/68,624,846.80
  6. Step 6: Final answer
    x = 34,778,977.80

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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.