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Finding the Fourth Proportional to 239,141.54, 358,587.75 and 89,258.56

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Solution

The fourth proportional to 239,141.54, 358,587.75 and 89,258.56 is: 133,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,141.54 : 358,587.75 = 89,258.56 : x
  2. Step 2: Convert to fraction form
    239,141.54/358,587.75 = 89,258.56/x
  3. Step 3: Cross multiply
    239,141.54x = 358,587.75 × 89,258.56
  4. Step 4: Simplify right side
    239,141.54x = 32,007,026,198.64
  5. Step 5: Solve for x
    x = 32,007,026,198.64/239,141.54
  6. Step 6: Final answer
    x = 133,841.35

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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.