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Finding the Fourth Proportional to 118,946.88, 178,416.88 and 44,065.35

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Solution

The fourth proportional to 118,946.88, 178,416.88 and 44,065.35 is: 66,096.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,946.88 : 178,416.88 = 44,065.35 : x
  2. Step 2: Convert to fraction form
    118,946.88/178,416.88 = 44,065.35/x
  3. Step 3: Cross multiply
    118,946.88x = 178,416.88 × 44,065.35
  4. Step 4: Simplify right side
    118,946.88x = 7,862,002,152.94
  5. Step 5: Solve for x
    x = 7,862,002,152.94/118,946.88
  6. Step 6: Final answer
    x = 66,096.75

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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.