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Finding the Fourth Proportional to 239,146.07, 358,724.46 and 89,304.62

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Solution

The fourth proportional to 239,146.07, 358,724.46 and 89,304.62 is: 133,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,146.07 : 358,724.46 = 89,304.62 : x
  2. Step 2: Convert to fraction form
    239,146.07/358,724.46 = 89,304.62/x
  3. Step 3: Cross multiply
    239,146.07x = 358,724.46 × 89,304.62
  4. Step 4: Simplify right side
    239,146.07x = 32,035,749,791.38
  5. Step 5: Solve for x
    x = 32,035,749,791.38/239,146.07
  6. Step 6: Final answer
    x = 133,958.93

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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.