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Finding the Fourth Proportional to 238,417.58, 329,022.06 and 130,994.58

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Solution

The fourth proportional to 238,417.58, 329,022.06 and 130,994.58 is: 180,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,417.58 : 329,022.06 = 130,994.58 : x
  2. Step 2: Convert to fraction form
    238,417.58/329,022.06 = 130,994.58/x
  3. Step 3: Cross multiply
    238,417.58x = 329,022.06 × 130,994.58
  4. Step 4: Simplify right side
    238,417.58x = 43,100,106,560.43
  5. Step 5: Solve for x
    x = 43,100,106,560.43/238,417.58
  6. Step 6: Final answer
    x = 180,775.71

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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.