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Finding the Fourth Proportional to 169,606.02, 254,409 and 99,447.06

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Solution

The fourth proportional to 169,606.02, 254,409 and 99,447.06 is: 149,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,606.02 : 254,409 = 99,447.06 : x
  2. Step 2: Convert to fraction form
    169,606.02/254,409 = 99,447.06/x
  3. Step 3: Cross multiply
    169,606.02x = 254,409 × 99,447.06
  4. Step 4: Simplify right side
    169,606.02x = 25,300,227,087.54
  5. Step 5: Solve for x
    x = 25,300,227,087.54/169,606.02
  6. Step 6: Final answer
    x = 149,170.57

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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.