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Finding the Fourth Proportional to 163,813.26, 245,707.89 and 63,954.54

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Solution

The fourth proportional to 163,813.26, 245,707.89 and 63,954.54 is: 95,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,813.26 : 245,707.89 = 63,954.54 : x
  2. Step 2: Convert to fraction form
    163,813.26/245,707.89 = 63,954.54/x
  3. Step 3: Cross multiply
    163,813.26x = 245,707.89 × 63,954.54
  4. Step 4: Simplify right side
    163,813.26x = 15,714,135,079.32
  5. Step 5: Solve for x
    x = 15,714,135,079.32/163,813.26
  6. Step 6: Final answer
    x = 95,927.13

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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.