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Finding the Fourth Proportional to 255,011.84, 351,718.62 and 164,382.56

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Solution

The fourth proportional to 255,011.84, 351,718.62 and 164,382.56 is: 226,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,011.84 : 351,718.62 = 164,382.56 : x
  2. Step 2: Convert to fraction form
    255,011.84/351,718.62 = 164,382.56/x
  3. Step 3: Cross multiply
    255,011.84x = 351,718.62 × 164,382.56
  4. Step 4: Simplify right side
    255,011.84x = 57,816,405,396.67
  5. Step 5: Solve for x
    x = 57,816,405,396.67/255,011.84
  6. Step 6: Final answer
    x = 226,720.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.