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Finding the Fourth Proportional to 93,324, 139,986 and 27,660

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Solution

The fourth proportional to 93,324, 139,986 and 27,660 is: 41,490

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,324 : 139,986 = 27,660 : x
  2. Step 2: Convert to fraction form
    93,324/139,986 = 27,660/x
  3. Step 3: Cross multiply
    93,324x = 139,986 × 27,660
  4. Step 4: Simplify right side
    93,324x = 3,872,012,760
  5. Step 5: Solve for x
    x = 3,872,012,760/93,324
  6. Step 6: Final answer
    x = 41,490

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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.