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Finding the Fourth Proportional to 169,757, 255,651.08 and 154,623.68

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Solution

The fourth proportional to 169,757, 255,651.08 and 154,623.68 is: 232,860.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,757 : 255,651.08 = 154,623.68 : x
  2. Step 2: Convert to fraction form
    169,757/255,651.08 = 154,623.68/x
  3. Step 3: Cross multiply
    169,757x = 255,651.08 × 154,623.68
  4. Step 4: Simplify right side
    169,757x = 39,529,710,785.57
  5. Step 5: Solve for x
    x = 39,529,710,785.57/169,757
  6. Step 6: Final answer
    x = 232,860.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.