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Finding the Fourth Proportional to 238,934.31, 358,200.59 and 159,807.03

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Solution

The fourth proportional to 238,934.31, 358,200.59 and 159,807.03 is: 239,576.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,934.31 : 358,200.59 = 159,807.03 : x
  2. Step 2: Convert to fraction form
    238,934.31/358,200.59 = 159,807.03/x
  3. Step 3: Cross multiply
    238,934.31x = 358,200.59 × 159,807.03
  4. Step 4: Simplify right side
    238,934.31x = 57,242,971,633.11
  5. Step 5: Solve for x
    x = 57,242,971,633.11/238,934.31
  6. Step 6: Final answer
    x = 239,576.19

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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.