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Finding the Fourth Proportional to 238,324.70, 328,890.04 and 130,896.02

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Solution

The fourth proportional to 238,324.70, 328,890.04 and 130,896.02 is: 180,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,324.70 : 328,890.04 = 130,896.02 : x
  2. Step 2: Convert to fraction form
    238,324.70/328,890.04 = 130,896.02/x
  3. Step 3: Cross multiply
    238,324.70x = 328,890.04 × 130,896.02
  4. Step 4: Simplify right side
    238,324.70x = 43,050,397,253.64
  5. Step 5: Solve for x
    x = 43,050,397,253.64/238,324.70
  6. Step 6: Final answer
    x = 180,637.58

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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.