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Finding the Fourth Proportional to 118,894.25, 178,364.68 and 44,015.02

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Solution

The fourth proportional to 118,894.25, 178,364.68 and 44,015.02 is: 66,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,894.25 : 178,364.68 = 44,015.02 : x
  2. Step 2: Convert to fraction form
    118,894.25/178,364.68 = 44,015.02/x
  3. Step 3: Cross multiply
    118,894.25x = 178,364.68 × 44,015.02
  4. Step 4: Simplify right side
    118,894.25x = 7,850,724,957.49
  5. Step 5: Solve for x
    x = 7,850,724,957.49/118,894.25
  6. Step 6: Final answer
    x = 66,031.16

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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.