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Finding the Fourth Proportional to 163,853.84, 245,530.38 and 110,347.97

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Solution

The fourth proportional to 163,853.84, 245,530.38 and 110,347.97 is: 165,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,853.84 : 245,530.38 = 110,347.97 : x
  2. Step 2: Convert to fraction form
    163,853.84/245,530.38 = 110,347.97/x
  3. Step 3: Cross multiply
    163,853.84x = 245,530.38 × 110,347.97
  4. Step 4: Simplify right side
    163,853.84x = 27,093,778,285.61
  5. Step 5: Solve for x
    x = 27,093,778,285.61/163,853.84
  6. Step 6: Final answer
    x = 165,353.34

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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.