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Finding the Fourth Proportional to 118,673.32, 178,025.48 and 43,845.88

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Solution

The fourth proportional to 118,673.32, 178,025.48 and 43,845.88 is: 65,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,673.32 : 178,025.48 = 43,845.88 : x
  2. Step 2: Convert to fraction form
    118,673.32/178,025.48 = 43,845.88/x
  3. Step 3: Cross multiply
    118,673.32x = 178,025.48 × 43,845.88
  4. Step 4: Simplify right side
    118,673.32x = 7,805,683,833.02
  5. Step 5: Solve for x
    x = 7,805,683,833.02/118,673.32
  6. Step 6: Final answer
    x = 65,774.55

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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.