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Finding the Fourth Proportional to 163,364.40, 245,046.60 and 110,220.30

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Solution

The fourth proportional to 163,364.40, 245,046.60 and 110,220.30 is: 165,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,364.40 : 245,046.60 = 110,220.30 : x
  2. Step 2: Convert to fraction form
    163,364.40/245,046.60 = 110,220.30/x
  3. Step 3: Cross multiply
    163,364.40x = 245,046.60 × 110,220.30
  4. Step 4: Simplify right side
    163,364.40x = 27,009,109,765.98
  5. Step 5: Solve for x
    x = 27,009,109,765.98/163,364.40
  6. Step 6: Final answer
    x = 165,330.45

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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.