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Finding the Fourth Proportional to 118,976, 178,303.20 and 44,025.88

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Solution

The fourth proportional to 118,976, 178,303.20 and 44,025.88 is: 65,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,976 : 178,303.20 = 44,025.88 : x
  2. Step 2: Convert to fraction form
    118,976/178,303.20 = 44,025.88/x
  3. Step 3: Cross multiply
    118,976x = 178,303.20 × 44,025.88
  4. Step 4: Simplify right side
    118,976x = 7,849,955,286.82
  5. Step 5: Solve for x
    x = 7,849,955,286.82/118,976
  6. Step 6: Final answer
    x = 65,979.32

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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.