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Finding the Fourth Proportional to 93,269.70, 139,945.95 and 48,885.90

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Solution

The fourth proportional to 93,269.70, 139,945.95 and 48,885.90 is: 73,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,269.70 : 139,945.95 = 48,885.90 : x
  2. Step 2: Convert to fraction form
    93,269.70/139,945.95 = 48,885.90/x
  3. Step 3: Cross multiply
    93,269.70x = 139,945.95 × 48,885.90
  4. Step 4: Simplify right side
    93,269.70x = 6,841,383,717.11
  5. Step 5: Solve for x
    x = 6,841,383,717.11/93,269.70
  6. Step 6: Final answer
    x = 73,350.55

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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.