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Finding the Fourth Proportional to 118,889.30, 178,337.82 and 44,028.32

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Solution

The fourth proportional to 118,889.30, 178,337.82 and 44,028.32 is: 66,043.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,889.30 : 178,337.82 = 44,028.32 : x
  2. Step 2: Convert to fraction form
    118,889.30/178,337.82 = 44,028.32/x
  3. Step 3: Cross multiply
    118,889.30x = 178,337.82 × 44,028.32
  4. Step 4: Simplify right side
    118,889.30x = 7,851,914,607.06
  5. Step 5: Solve for x
    x = 7,851,914,607.06/118,889.30
  6. Step 6: Final answer
    x = 66,043.91

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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.