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Finding the Fourth Proportional to 93,169.04, 139,704 and 68,269.90

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Solution

The fourth proportional to 93,169.04, 139,704 and 68,269.90 is: 102,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,169.04 : 139,704 = 68,269.90 : x
  2. Step 2: Convert to fraction form
    93,169.04/139,704 = 68,269.90/x
  3. Step 3: Cross multiply
    93,169.04x = 139,704 × 68,269.90
  4. Step 4: Simplify right side
    93,169.04x = 9,537,578,109.60
  5. Step 5: Solve for x
    x = 9,537,578,109.60/93,169.04
  6. Step 6: Final answer
    x = 102,368.53

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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.