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Finding the Fourth Proportional to 114,796.54, 172,273.18 and 39,915.94

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Solution

The fourth proportional to 114,796.54, 172,273.18 and 39,915.94 is: 59,901.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,796.54 : 172,273.18 = 39,915.94 : x
  2. Step 2: Convert to fraction form
    114,796.54/172,273.18 = 39,915.94/x
  3. Step 3: Cross multiply
    114,796.54x = 172,273.18 × 39,915.94
  4. Step 4: Simplify right side
    114,796.54x = 6,876,445,783.87
  5. Step 5: Solve for x
    x = 6,876,445,783.87/114,796.54
  6. Step 6: Final answer
    x = 59,901.16

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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.