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Finding the Fourth Proportional to 169,063.94, 253,596 and 137,436.32

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Solution

The fourth proportional to 169,063.94, 253,596 and 137,436.32 is: 206,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,063.94 : 253,596 = 137,436.32 : x
  2. Step 2: Convert to fraction form
    169,063.94/253,596 = 137,436.32/x
  3. Step 3: Cross multiply
    169,063.94x = 253,596 × 137,436.32
  4. Step 4: Simplify right side
    169,063.94x = 34,853,301,006.72
  5. Step 5: Solve for x
    x = 34,853,301,006.72/169,063.94
  6. Step 6: Final answer
    x = 206,154.55

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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.