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Finding the Fourth Proportional to 93,288, 139,955.68 and 27,624

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Solution

The fourth proportional to 93,288, 139,955.68 and 27,624 is: 41,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,288 : 139,955.68 = 27,624 : x
  2. Step 2: Convert to fraction form
    93,288/139,955.68 = 27,624/x
  3. Step 3: Cross multiply
    93,288x = 139,955.68 × 27,624
  4. Step 4: Simplify right side
    93,288x = 3,866,135,704.32
  5. Step 5: Solve for x
    x = 3,866,135,704.32/93,288
  6. Step 6: Final answer
    x = 41,443.01

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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.