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Finding the Fourth Proportional to 116,558.68, 174,462 and 60,321.40

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Solution

The fourth proportional to 116,558.68, 174,462 and 60,321.40 is: 90,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,558.68 : 174,462 = 60,321.40 : x
  2. Step 2: Convert to fraction form
    116,558.68/174,462 = 60,321.40/x
  3. Step 3: Cross multiply
    116,558.68x = 174,462 × 60,321.40
  4. Step 4: Simplify right side
    116,558.68x = 10,523,792,086.80
  5. Step 5: Solve for x
    x = 10,523,792,086.80/116,558.68
  6. Step 6: Final answer
    x = 90,287.50

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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.