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Finding the Fourth Proportional to 169,665.10, 254,441.13 and 68,437.01

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Solution

The fourth proportional to 169,665.10, 254,441.13 and 68,437.01 is: 102,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,665.10 : 254,441.13 = 68,437.01 : x
  2. Step 2: Convert to fraction form
    169,665.10/254,441.13 = 68,437.01/x
  3. Step 3: Cross multiply
    169,665.10x = 254,441.13 × 68,437.01
  4. Step 4: Simplify right side
    169,665.10x = 17,413,189,448.23
  5. Step 5: Solve for x
    x = 17,413,189,448.23/169,665.10
  6. Step 6: Final answer
    x = 102,632.71

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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.