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Finding the Fourth Proportional to 169,562.52, 254,399.27 and 69,769.71

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Solution

The fourth proportional to 169,562.52, 254,399.27 and 69,769.71 is: 104,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,562.52 : 254,399.27 = 69,769.71 : x
  2. Step 2: Convert to fraction form
    169,562.52/254,399.27 = 69,769.71/x
  3. Step 3: Cross multiply
    169,562.52x = 254,399.27 × 69,769.71
  4. Step 4: Simplify right side
    169,562.52x = 17,749,362,943.26
  5. Step 5: Solve for x
    x = 17,749,362,943.26/169,562.52
  6. Step 6: Final answer
    x = 104,677.40

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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.