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Finding the Fourth Proportional to 238,764.36, 358,150.68 and 80,996.88

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Solution

The fourth proportional to 238,764.36, 358,150.68 and 80,996.88 is: 121,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,764.36 : 358,150.68 = 80,996.88 : x
  2. Step 2: Convert to fraction form
    238,764.36/358,150.68 = 80,996.88/x
  3. Step 3: Cross multiply
    238,764.36x = 358,150.68 × 80,996.88
  4. Step 4: Simplify right side
    238,764.36x = 29,009,087,649.88
  5. Step 5: Solve for x
    x = 29,009,087,649.88/238,764.36
  6. Step 6: Final answer
    x = 121,496.72

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1.5x scale

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.