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Finding the Fourth Proportional to 239,096.61, 358,184.43 and 133,989.39

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Solution

The fourth proportional to 239,096.61, 358,184.43 and 133,989.39 is: 200,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,096.61 : 358,184.43 = 133,989.39 : x
  2. Step 2: Convert to fraction form
    239,096.61/358,184.43 = 133,989.39/x
  3. Step 3: Cross multiply
    239,096.61x = 358,184.43 × 133,989.39
  4. Step 4: Simplify right side
    239,096.61x = 47,992,913,283.20
  5. Step 5: Solve for x
    x = 47,992,913,283.20/239,096.61
  6. Step 6: Final answer
    x = 200,726.03

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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.