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Finding the Fourth Proportional to 225,957.84, 338,935.29 and 57,476.72

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Solution

The fourth proportional to 225,957.84, 338,935.29 and 57,476.72 is: 86,214.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,957.84 : 338,935.29 = 57,476.72 : x
  2. Step 2: Convert to fraction form
    225,957.84/338,935.29 = 57,476.72/x
  3. Step 3: Cross multiply
    225,957.84x = 338,935.29 × 57,476.72
  4. Step 4: Simplify right side
    225,957.84x = 19,480,889,393.25
  5. Step 5: Solve for x
    x = 19,480,889,393.25/225,957.84
  6. Step 6: Final answer
    x = 86,214.71

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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.