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Finding the Fourth Proportional to 183,854.20, 275,781.30 and 104,976.40

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Solution

The fourth proportional to 183,854.20, 275,781.30 and 104,976.40 is: 157,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,854.20 : 275,781.30 = 104,976.40 : x
  2. Step 2: Convert to fraction form
    183,854.20/275,781.30 = 104,976.40/x
  3. Step 3: Cross multiply
    183,854.20x = 275,781.30 × 104,976.40
  4. Step 4: Simplify right side
    183,854.20x = 28,950,528,061.32
  5. Step 5: Solve for x
    x = 28,950,528,061.32/183,854.20
  6. Step 6: Final answer
    x = 157,464.60

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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.