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Finding the Fourth Proportional to 84,550.85, 116,623.99 and 54,374.32

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Solution

The fourth proportional to 84,550.85, 116,623.99 and 54,374.32 is: 75,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,550.85 : 116,623.99 = 54,374.32 : x
  2. Step 2: Convert to fraction form
    84,550.85/116,623.99 = 54,374.32/x
  3. Step 3: Cross multiply
    84,550.85x = 116,623.99 × 54,374.32
  4. Step 4: Simplify right side
    84,550.85x = 6,341,350,151.94
  5. Step 5: Solve for x
    x = 6,341,350,151.94/84,550.85
  6. Step 6: Final answer
    x = 75,000.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.