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Finding the Fourth Proportional to 163,786.60, 245,910.30 and 101,578.60

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Solution

The fourth proportional to 163,786.60, 245,910.30 and 101,578.60 is: 152,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,786.60 : 245,910.30 = 101,578.60 : x
  2. Step 2: Convert to fraction form
    163,786.60/245,910.30 = 101,578.60/x
  3. Step 3: Cross multiply
    163,786.60x = 245,910.30 × 101,578.60
  4. Step 4: Simplify right side
    163,786.60x = 24,979,223,999.58
  5. Step 5: Solve for x
    x = 24,979,223,999.58/163,786.60
  6. Step 6: Final answer
    x = 152,510.79

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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.