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Finding the Fourth Proportional to 118,250.80, 177,376.20 and 116,306.80

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Solution

The fourth proportional to 118,250.80, 177,376.20 and 116,306.80 is: 174,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,250.80 : 177,376.20 = 116,306.80 : x
  2. Step 2: Convert to fraction form
    118,250.80/177,376.20 = 116,306.80/x
  3. Step 3: Cross multiply
    118,250.80x = 177,376.20 × 116,306.80
  4. Step 4: Simplify right side
    118,250.80x = 20,630,058,218.16
  5. Step 5: Solve for x
    x = 20,630,058,218.16/118,250.80
  6. Step 6: Final answer
    x = 174,460.20

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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.