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Finding the Fourth Proportional to 73,898.08, 110,863.54 and 21,303.46

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Solution

The fourth proportional to 73,898.08, 110,863.54 and 21,303.46 is: 31,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,898.08 : 110,863.54 = 21,303.46 : x
  2. Step 2: Convert to fraction form
    73,898.08/110,863.54 = 21,303.46/x
  3. Step 3: Cross multiply
    73,898.08x = 110,863.54 × 21,303.46
  4. Step 4: Simplify right side
    73,898.08x = 2,361,776,989.85
  5. Step 5: Solve for x
    x = 2,361,776,989.85/73,898.08
  6. Step 6: Final answer
    x = 31,959.92

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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.