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Finding the Fourth Proportional to 114,104.94, 171,157.43 and 43,008.31

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Solution

The fourth proportional to 114,104.94, 171,157.43 and 43,008.31 is: 64,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,104.94 : 171,157.43 = 43,008.31 : x
  2. Step 2: Convert to fraction form
    114,104.94/171,157.43 = 43,008.31/x
  3. Step 3: Cross multiply
    114,104.94x = 171,157.43 × 43,008.31
  4. Step 4: Simplify right side
    114,104.94x = 7,361,191,808.24
  5. Step 5: Solve for x
    x = 7,361,191,808.24/114,104.94
  6. Step 6: Final answer
    x = 64,512.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.