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Finding the Fourth Proportional to 178,585.67, 246,457.17 and 98,012.49

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Solution

The fourth proportional to 178,585.67, 246,457.17 and 98,012.49 is: 135,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,585.67 : 246,457.17 = 98,012.49 : x
  2. Step 2: Convert to fraction form
    178,585.67/246,457.17 = 98,012.49/x
  3. Step 3: Cross multiply
    178,585.67x = 246,457.17 × 98,012.49
  4. Step 4: Simplify right side
    178,585.67x = 24,155,880,910.05
  5. Step 5: Solve for x
    x = 24,155,880,910.05/178,585.67
  6. Step 6: Final answer
    x = 135,262.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.