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Finding the Fourth Proportional to 83,230.50, 114,858.09 and 45,504.75

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Solution

The fourth proportional to 83,230.50, 114,858.09 and 45,504.75 is: 62,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,230.50 : 114,858.09 = 45,504.75 : x
  2. Step 2: Convert to fraction form
    83,230.50/114,858.09 = 45,504.75/x
  3. Step 3: Cross multiply
    83,230.50x = 114,858.09 × 45,504.75
  4. Step 4: Simplify right side
    83,230.50x = 5,226,588,670.93
  5. Step 5: Solve for x
    x = 5,226,588,670.93/83,230.50
  6. Step 6: Final answer
    x = 62,796.56

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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.