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Finding the Fourth Proportional to 114,045.60, 171,044.10 and 50,865.60

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Solution

The fourth proportional to 114,045.60, 171,044.10 and 50,865.60 is: 76,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,045.60 : 171,044.10 = 50,865.60 : x
  2. Step 2: Convert to fraction form
    114,045.60/171,044.10 = 50,865.60/x
  3. Step 3: Cross multiply
    114,045.60x = 171,044.10 × 50,865.60
  4. Step 4: Simplify right side
    114,045.60x = 8,700,260,772.96
  5. Step 5: Solve for x
    x = 8,700,260,772.96/114,045.60
  6. Step 6: Final answer
    x = 76,287.56

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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.