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Finding the Fourth Proportional to 83,741.45, 115,561.89 and 46,014.89

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Solution

The fourth proportional to 83,741.45, 115,561.89 and 46,014.89 is: 63,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,741.45 : 115,561.89 = 46,014.89 : x
  2. Step 2: Convert to fraction form
    83,741.45/115,561.89 = 46,014.89/x
  3. Step 3: Cross multiply
    83,741.45x = 115,561.89 × 46,014.89
  4. Step 4: Simplify right side
    83,741.45x = 5,317,567,656.54
  5. Step 5: Solve for x
    x = 5,317,567,656.54/83,741.45
  6. Step 6: Final answer
    x = 63,499.83

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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.