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Finding the Fourth Proportional to 239,391.60, 359,090.52 and 114,703.44

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Solution

The fourth proportional to 239,391.60, 359,090.52 and 114,703.44 is: 172,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,391.60 : 359,090.52 = 114,703.44 : x
  2. Step 2: Convert to fraction form
    239,391.60/359,090.52 = 114,703.44/x
  3. Step 3: Cross multiply
    239,391.60x = 359,090.52 × 114,703.44
  4. Step 4: Simplify right side
    239,391.60x = 41,188,917,915.39
  5. Step 5: Solve for x
    x = 41,188,917,915.39/239,391.60
  6. Step 6: Final answer
    x = 172,056.65

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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.