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Finding the Fourth Proportional to 118,922.80, 178,384.20 and 95,594.80

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Solution

The fourth proportional to 118,922.80, 178,384.20 and 95,594.80 is: 143,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,922.80 : 178,384.20 = 95,594.80 : x
  2. Step 2: Convert to fraction form
    118,922.80/178,384.20 = 95,594.80/x
  3. Step 3: Cross multiply
    118,922.80x = 178,384.20 × 95,594.80
  4. Step 4: Simplify right side
    118,922.80x = 17,052,601,922.16
  5. Step 5: Solve for x
    x = 17,052,601,922.16/118,922.80
  6. Step 6: Final answer
    x = 143,392.20

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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.