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Finding the Fourth Proportional to 93,262.66, 139,852.83 and 26,687.63

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Solution

The fourth proportional to 93,262.66, 139,852.83 and 26,687.63 is: 40,019.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,262.66 : 139,852.83 = 26,687.63 : x
  2. Step 2: Convert to fraction form
    93,262.66/139,852.83 = 26,687.63/x
  3. Step 3: Cross multiply
    93,262.66x = 139,852.83 × 26,687.63
  4. Step 4: Simplify right side
    93,262.66x = 3,732,340,581.49
  5. Step 5: Solve for x
    x = 3,732,340,581.49/93,262.66
  6. Step 6: Final answer
    x = 40,019.67

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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.