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Finding the Fourth Proportional to 183,347.92, 275,100.32 and 76,756.78

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Solution

The fourth proportional to 183,347.92, 275,100.32 and 76,756.78 is: 115,168.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,347.92 : 275,100.32 = 76,756.78 : x
  2. Step 2: Convert to fraction form
    183,347.92/275,100.32 = 76,756.78/x
  3. Step 3: Cross multiply
    183,347.92x = 275,100.32 × 76,756.78
  4. Step 4: Simplify right side
    183,347.92x = 21,115,814,740.17
  5. Step 5: Solve for x
    x = 21,115,814,740.17/183,347.92
  6. Step 6: Final answer
    x = 115,168.01

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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.