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Finding the Fourth Proportional to 114,698.90, 171,953.63 and 50,611.42

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Solution

The fourth proportional to 114,698.90, 171,953.63 and 50,611.42 is: 75,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,698.90 : 171,953.63 = 50,611.42 : x
  2. Step 2: Convert to fraction form
    114,698.90/171,953.63 = 50,611.42/x
  3. Step 3: Cross multiply
    114,698.90x = 171,953.63 × 50,611.42
  4. Step 4: Simplify right side
    114,698.90x = 8,702,817,540.13
  5. Step 5: Solve for x
    x = 8,702,817,540.13/114,698.90
  6. Step 6: Final answer
    x = 75,875.33

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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.