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Finding the Fourth Proportional to 238,550.76, 329,200.76 and 131,131.80

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Solution

The fourth proportional to 238,550.76, 329,200.76 and 131,131.80 is: 180,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,550.76 : 329,200.76 = 131,131.80 : x
  2. Step 2: Convert to fraction form
    238,550.76/329,200.76 = 131,131.80/x
  3. Step 3: Cross multiply
    238,550.76x = 329,200.76 × 131,131.80
  4. Step 4: Simplify right side
    238,550.76x = 43,168,687,564.51
  5. Step 5: Solve for x
    x = 43,168,687,564.51/238,550.76
  6. Step 6: Final answer
    x = 180,962.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.