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Finding the Fourth Proportional to 163,800.90, 245,701.22 and 45,472.19

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Solution

The fourth proportional to 163,800.90, 245,701.22 and 45,472.19 is: 68,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,800.90 : 245,701.22 = 45,472.19 : x
  2. Step 2: Convert to fraction form
    163,800.90/245,701.22 = 45,472.19/x
  3. Step 3: Cross multiply
    163,800.90x = 245,701.22 × 45,472.19
  4. Step 4: Simplify right side
    163,800.90x = 11,172,571,103.20
  5. Step 5: Solve for x
    x = 11,172,571,103.20/163,800.90
  6. Step 6: Final answer
    x = 68,208.24

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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.