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Finding the Fourth Proportional to 183,484.95, 275,227.43 and 78,508.95

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Solution

The fourth proportional to 183,484.95, 275,227.43 and 78,508.95 is: 117,763.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,484.95 : 275,227.43 = 78,508.95 : x
  2. Step 2: Convert to fraction form
    183,484.95/275,227.43 = 78,508.95/x
  3. Step 3: Cross multiply
    183,484.95x = 275,227.43 × 78,508.95
  4. Step 4: Simplify right side
    183,484.95x = 21,607,816,147.95
  5. Step 5: Solve for x
    x = 21,607,816,147.95/183,484.95
  6. Step 6: Final answer
    x = 117,763.43

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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.