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Finding the Fourth Proportional to 164,810.40, 247,215.60 and 163,060.80

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Solution

The fourth proportional to 164,810.40, 247,215.60 and 163,060.80 is: 244,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,810.40 : 247,215.60 = 163,060.80 : x
  2. Step 2: Convert to fraction form
    164,810.40/247,215.60 = 163,060.80/x
  3. Step 3: Cross multiply
    164,810.40x = 247,215.60 × 163,060.80
  4. Step 4: Simplify right side
    164,810.40x = 40,311,173,508.48
  5. Step 5: Solve for x
    x = 40,311,173,508.48/164,810.40
  6. Step 6: Final answer
    x = 244,591.20

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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.