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Finding the Fourth Proportional to 183,780.03, 275,708.30 and 57,415.17

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Solution

The fourth proportional to 183,780.03, 275,708.30 and 57,415.17 is: 86,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,780.03 : 275,708.30 = 57,415.17 : x
  2. Step 2: Convert to fraction form
    183,780.03/275,708.30 = 57,415.17/x
  3. Step 3: Cross multiply
    183,780.03x = 275,708.30 × 57,415.17
  4. Step 4: Simplify right side
    183,780.03x = 15,829,838,914.91
  5. Step 5: Solve for x
    x = 15,829,838,914.91/183,780.03
  6. Step 6: Final answer
    x = 86,134.71

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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.