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Finding the Fourth Proportional to 163,713.92, 245,570.95 and 73,651.44

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Solution

The fourth proportional to 163,713.92, 245,570.95 and 73,651.44 is: 110,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,713.92 : 245,570.95 = 73,651.44 : x
  2. Step 2: Convert to fraction form
    163,713.92/245,570.95 = 73,651.44/x
  3. Step 3: Cross multiply
    163,713.92x = 245,570.95 × 73,651.44
  4. Step 4: Simplify right side
    163,713.92x = 18,086,654,089.67
  5. Step 5: Solve for x
    x = 18,086,654,089.67/163,713.92
  6. Step 6: Final answer
    x = 110,477.19

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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.