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Finding the Fourth Proportional to 183,543.63, 275,262.17 and 76,924.79

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Solution

The fourth proportional to 183,543.63, 275,262.17 and 76,924.79 is: 115,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,543.63 : 275,262.17 = 76,924.79 : x
  2. Step 2: Convert to fraction form
    183,543.63/275,262.17 = 76,924.79/x
  3. Step 3: Cross multiply
    183,543.63x = 275,262.17 × 76,924.79
  4. Step 4: Simplify right side
    183,543.63x = 21,174,483,893.49
  5. Step 5: Solve for x
    x = 21,174,483,893.49/183,543.63
  6. Step 6: Final answer
    x = 115,364.86

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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.