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Finding the Fourth Proportional to 83,189.26, 114,800.92 and 45,463.51

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Solution

The fourth proportional to 83,189.26, 114,800.92 and 45,463.51 is: 62,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,189.26 : 114,800.92 = 45,463.51 : x
  2. Step 2: Convert to fraction form
    83,189.26/114,800.92 = 45,463.51/x
  3. Step 3: Cross multiply
    83,189.26x = 114,800.92 × 45,463.51
  4. Step 4: Simplify right side
    83,189.26x = 5,219,252,774.43
  5. Step 5: Solve for x
    x = 5,219,252,774.43/83,189.26
  6. Step 6: Final answer
    x = 62,739.50

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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.