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Finding the Fourth Proportional to 114,835.60, 171,864.60 and 100,838.80

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Solution

The fourth proportional to 114,835.60, 171,864.60 and 100,838.80 is: 150,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,835.60 : 171,864.60 = 100,838.80 : x
  2. Step 2: Convert to fraction form
    114,835.60/171,864.60 = 100,838.80/x
  3. Step 3: Cross multiply
    114,835.60x = 171,864.60 × 100,838.80
  4. Step 4: Simplify right side
    114,835.60x = 17,330,620,026.48
  5. Step 5: Solve for x
    x = 17,330,620,026.48/114,835.60
  6. Step 6: Final answer
    x = 150,916.79

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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.