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Finding the Fourth Proportional to 169,507.51, 254,162.81 and 64,269.07

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Solution

The fourth proportional to 169,507.51, 254,162.81 and 64,269.07 is: 96,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,507.51 : 254,162.81 = 64,269.07 : x
  2. Step 2: Convert to fraction form
    169,507.51/254,162.81 = 64,269.07/x
  3. Step 3: Cross multiply
    169,507.51x = 254,162.81 × 64,269.07
  4. Step 4: Simplify right side
    169,507.51x = 16,334,807,105.94
  5. Step 5: Solve for x
    x = 16,334,807,105.94/169,507.51
  6. Step 6: Final answer
    x = 96,366.27

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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.