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Finding the Fourth Proportional to 183,708.71, 275,580.49 and 71,397.60

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Solution

The fourth proportional to 183,708.71, 275,580.49 and 71,397.60 is: 107,103.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,708.71 : 275,580.49 = 71,397.60 : x
  2. Step 2: Convert to fraction form
    183,708.71/275,580.49 = 71,397.60/x
  3. Step 3: Cross multiply
    183,708.71x = 275,580.49 × 71,397.60
  4. Step 4: Simplify right side
    183,708.71x = 19,675,785,592.82
  5. Step 5: Solve for x
    x = 19,675,785,592.82/183,708.71
  6. Step 6: Final answer
    x = 107,103.17

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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.