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Finding the Fourth Proportional to 163,862.36, 245,790.35 and 73,855.46

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Solution

The fourth proportional to 163,862.36, 245,790.35 and 73,855.46 is: 110,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,862.36 : 245,790.35 = 73,855.46 : x
  2. Step 2: Convert to fraction form
    163,862.36/245,790.35 = 73,855.46/x
  3. Step 3: Cross multiply
    163,862.36x = 245,790.35 × 73,855.46
  4. Step 4: Simplify right side
    163,862.36x = 18,152,959,884.97
  5. Step 5: Solve for x
    x = 18,152,959,884.97/163,862.36
  6. Step 6: Final answer
    x = 110,781.76

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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.