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Finding the Fourth Proportional to 169,689.30, 254,194.53 and 102,183.90

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Solution

The fourth proportional to 169,689.30, 254,194.53 and 102,183.90 is: 153,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,689.30 : 254,194.53 = 102,183.90 : x
  2. Step 2: Convert to fraction form
    169,689.30/254,194.53 = 102,183.90/x
  3. Step 3: Cross multiply
    169,689.30x = 254,194.53 × 102,183.90
  4. Step 4: Simplify right side
    169,689.30x = 25,974,588,434.07
  5. Step 5: Solve for x
    x = 25,974,588,434.07/169,689.30
  6. Step 6: Final answer
    x = 153,071.46

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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.