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Finding the Fourth Proportional to 163,186.98, 244,583.64 and 84,258.15

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Solution

The fourth proportional to 163,186.98, 244,583.64 and 84,258.15 is: 126,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,186.98 : 244,583.64 = 84,258.15 : x
  2. Step 2: Convert to fraction form
    163,186.98/244,583.64 = 84,258.15/x
  3. Step 3: Cross multiply
    163,186.98x = 244,583.64 × 84,258.15
  4. Step 4: Simplify right side
    163,186.98x = 20,608,165,026.67
  5. Step 5: Solve for x
    x = 20,608,165,026.67/163,186.98
  6. Step 6: Final answer
    x = 126,285.60

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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.