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Finding the Fourth Proportional to 85,507.59, 117,998.16 and 46,743.87

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Solution

The fourth proportional to 85,507.59, 117,998.16 and 46,743.87 is: 64,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,507.59 : 117,998.16 = 46,743.87 : x
  2. Step 2: Convert to fraction form
    85,507.59/117,998.16 = 46,743.87/x
  3. Step 3: Cross multiply
    85,507.59x = 117,998.16 × 46,743.87
  4. Step 4: Simplify right side
    85,507.59x = 5,515,690,651.28
  5. Step 5: Solve for x
    x = 5,515,690,651.28/85,507.59
  6. Step 6: Final answer
    x = 64,505.28

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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.