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Finding the Fourth Proportional to 169,302.80, 253,572.60 and 131,569.04

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Solution

The fourth proportional to 169,302.80, 253,572.60 and 131,569.04 is: 197,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,302.80 : 253,572.60 = 131,569.04 : x
  2. Step 2: Convert to fraction form
    169,302.80/253,572.60 = 131,569.04/x
  3. Step 3: Cross multiply
    169,302.80x = 253,572.60 × 131,569.04
  4. Step 4: Simplify right side
    169,302.80x = 33,362,303,552.30
  5. Step 5: Solve for x
    x = 33,362,303,552.30/169,302.80
  6. Step 6: Final answer
    x = 197,057.01

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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.