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Finding the Fourth Proportional to 186,553.78, 279,689.19 and 96,500.02

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Solution

The fourth proportional to 186,553.78, 279,689.19 and 96,500.02 is: 144,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,553.78 : 279,689.19 = 96,500.02 : x
  2. Step 2: Convert to fraction form
    186,553.78/279,689.19 = 96,500.02/x
  3. Step 3: Cross multiply
    186,553.78x = 279,689.19 × 96,500.02
  4. Step 4: Simplify right side
    186,553.78x = 26,990,012,428.78
  5. Step 5: Solve for x
    x = 26,990,012,428.78/186,553.78
  6. Step 6: Final answer
    x = 144,676.85

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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.