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Finding the Fourth Proportional to 169,496.51, 254,051.45 and 79,445.03

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Solution

The fourth proportional to 169,496.51, 254,051.45 and 79,445.03 is: 119,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,496.51 : 254,051.45 = 79,445.03 : x
  2. Step 2: Convert to fraction form
    169,496.51/254,051.45 = 79,445.03/x
  3. Step 3: Cross multiply
    169,496.51x = 254,051.45 × 79,445.03
  4. Step 4: Simplify right side
    169,496.51x = 20,183,124,669.57
  5. Step 5: Solve for x
    x = 20,183,124,669.57/169,496.51
  6. Step 6: Final answer
    x = 119,076.93

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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.