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Finding the Fourth Proportional to 238,360.28, 328,935.98 and 130,929.98

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Solution

The fourth proportional to 238,360.28, 328,935.98 and 130,929.98 is: 180,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,360.28 : 328,935.98 = 130,929.98 : x
  2. Step 2: Convert to fraction form
    238,360.28/328,935.98 = 130,929.98/x
  3. Step 3: Cross multiply
    238,360.28x = 328,935.98 × 130,929.98
  4. Step 4: Simplify right side
    238,360.28x = 43,067,581,282.68
  5. Step 5: Solve for x
    x = 43,067,581,282.68/238,360.28
  6. Step 6: Final answer
    x = 180,682.71

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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.