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Finding the Fourth Proportional to 93,165.03, 139,698 and 68,265.90

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Solution

The fourth proportional to 93,165.03, 139,698 and 68,265.90 is: 102,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,165.03 : 139,698 = 68,265.90 : x
  2. Step 2: Convert to fraction form
    93,165.03/139,698 = 68,265.90/x
  3. Step 3: Cross multiply
    93,165.03x = 139,698 × 68,265.90
  4. Step 4: Simplify right side
    93,165.03x = 9,536,609,698.20
  5. Step 5: Solve for x
    x = 9,536,609,698.20/93,165.03
  6. Step 6: Final answer
    x = 102,362.55

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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.